Worf's prosthetic forehead changed in season two, because the original was stolen.

The ceiling of the transporter chamber on the Enterprise D is in fact the floor of the transporter chamber from the Enterprise in Star Trek (1966).

The original version of the Starfleet uniform was very uncomfortable for the actors and actresses, leading to a change of design from one-piece to a two-piece outfit in season three. Although the new uniforms were easier to wear, the jackets had a tendency to "ride up" when the actors and actresses were sitting down. Sir Patrick Stewart got into the habit of straightening his jacket with a sharp downward tug as he stood up, an action that became known amongst the cast and crew as "The Picard Maneuver" (from a tactical maneuver mentioned in the show). Leonard Nimoy previously used this maneuver towards the end of Star Trek II: The Wrath of Khan (1982).

Michael Dorn has said that being cast as Worf enabled him to finally break away from the "nice guy" roles he had primarily played prior to the series. Dorn's voice also got naturally deeper as a result of the vocal inflections he used for the part of Worf.

After the second season, producers planned to establish that Geordi had undergone an experimental medical procedure to permanently restore his natural eye sight and eliminate use of his VISOR. However, recognizing that the character had become a positive role model for the disabled community, producers dropped the plan.

When the cast decided to lobby for a salary increase, Wil Wheaton's first offer from the producers was to instead have his character's rank raised to Lieutenant. His response was, "So what should I tell my landlord when I can't pay my rent? 'Don't worry, I just made Lieutenant'?"

When the show's cast was first announced, some print media reports described Sir Patrick Stewart as an unknown British Shakespearean actor. Brent Spiner made up a poster for the door of Stewart's dressing room reading "Beware: Unknown British Shakespearean actor!"

The decision to end the series after seven seasons came as something of a surprise to cast members, who were signed for eight seasons.

Most everyone in the cast became life-long friends. As an example, at LeVar Burton's 1992 wedding, Brent Spiner served as his best man, and Sir Patrick Stewart, Jonathan Frakes, and Michael Dorn all served as ushers.

When Gates McFadden originally signed on for this show, it was on the understanding that her character would ultimately become a romantic foil for Captain Jean-Luc Picard. This did not materialize, and she was becoming increasingly frustrated with the lack of character development for Dr. Crusher. Clashes with the producers led to her being released from her contract, hence Dr. Crusher's absence from season two, and replacement by Dr. Kate Pulaski (Diana Muldaur). Ironically, Muldaur later decided that serial television was not for her, so producer Rick Berman personally phoned McFadden to try to convince her to return for season three. A call from her dear friend Patrick Stewart clinched the deal for McFadden.

The sliding doors were very loud and were compared to sliding glass doors. The actors and actresses were instructed to hold their dialogue until the doors stopped. You rarely saw an actor or actress delivering lines while a door was opening or closing.

Gene Roddenberry initially refused to cast Sir Patrick Stewart as Picard. Roddenberry had envisioned a younger captain, with a full head of hair. But Stewart so impressed producer Robert H. Justman that Justman campaigned for him to be cast. Roddenberry finally relented after every other considered actor auditioned and Stewart was the only one who was right for the role.

Though all of the live-action sequences were shot on 35mm film, the visual effects sequences were shot on video to reduce production costs. This later posed an enormous obstacle when Paramount Pictures decided to release the show on Blu-ray, as the quality of the picture of the original master tapes was not high enough resolution to undergo the transition to Blu-ray format. In order to confront this problem, Paramount Pictures had to recover all of the original live-action and visual effects footage, and use digital techniques to restore and upgrade the picture quality. Essentially, this meant every episode had to be re-edited from scratch.

Sir Patrick Stewart (Captain Jean-Luc Picard) and Jonathan Frakes (Commander William T. Riker) are the only actors to appear in all 178 episodes of the series.

Using simple math, and the year 2364 reference point established in the season one finale, "The Neutral Zone", one can easily convert a Stardate given in any episode into standard calendar format. The five-digit stardate format used in this series calculates to one thousand units per year (for example, the time span between Stardate 41000.0 and 42000.0 is one full Earth year). Take, for example, the first episode, "Encounter at Farpoint". The first stardate given in the episode is Stardate 41153.7. As this is the first season, we know it takes place in 2364. As for month and day, take the last three digits plus decimal (xx153.7) and divide it by one thousand (to get 0.1537), then multiply it by three hundred sixty-five (three hundred sixty-six for leap years, such as for 2364) and you will get the day of the year (fifty-sixth day of the year in this case). Therefore, Stardate 41153.7 translates to February 25, 2364. Using this same method, the series finale, "All Good Things ... Part 2", took place on Stardate 47988, which translates to December 26, 2370 (xx988 divided by 1,000 times 365 = 360th day of the year).

Sir Patrick Stewart was so convinced that the show would fail that for the first six weeks of shooting he refused to unpack any of his suitcases.

Denise Crosby was originally cast to play Counselor Troi, and Marina Sirtis was cast as a security chief named Lieutenant Macha Hernandez. Shortly before filming the pilot, the two switched roles, and the security chief's name was changed to Lieutenant Natasha Yar.

At the suggestion of the producers, Sir Patrick Stewart wore a hairpiece for his first meeting with Paramount Pictures executives. Evidently, the creative staff on the show worried that Paramount would veto Stewart's casting if they knew he was bald. After the meeting, the executives agreed to cast Stewart, on the condition that he not wear the same ridiculous toupée.

The line "Shut up Wesley", which would come to be used as a catchphrase by critics of the character, was only said in one episode: season one, episode thirteen, "Datalore".

While also co-starring in this series, LeVar Burton continued hosting the childrens' book series Reading Rainbow (1983). In 1988, the show released its most popular episode of all time (Reading Rainbow: The Bionic Bunny Show (1988)) which featured a behind-the-scenes look at the making of this show. Most notably, the episode included a set of Star Trek: The Next Generation (1987) bloopers, the only legal release of such material.

Captain Picard has a fish in his quarters named Livingston, named after David Livingston, the show's line producer. The fish has its own trading card in the ST:TNG card series as well.

Picard often called Riker "Number One". This stems from British Naval history, in which first officers were traditionally called "Number One". The term had also applied to the otherwise nameless Enterprise First Officer in the original series pilot "The Cage". Picard's French heritage is also an homage to that country's history of noted explorers.

Geordi's VISOR was improvised on the first day of shooting using chiefly an automotive air filter and a hair band.

According to his own diagnostics, Commander Data's data storage capacity is 800 quadrillion bits. This translates into 100 petabytes or 100 PB. For comparison purposes, the HTML content of the internet circa 2005 is estimated at 1-2 PB.

Wil Wheaton had specific button patterns he used to "control" the ship that stayed the same from episode to episode.

Prior to being cast as Picard, Sir Patrick Stewart had never seen a full Star Trek (1966) episode or movie, and was largely unaware of the series' iconic status. As a result, he said he felt no intimidation in taking the part, which made it easy for him to settle into the role. He contradicts this with an anecdote in the season one DVD extras, however.

Two characters on the show were named after real people who were fans of Star Trek (1966): The alien prankster "Q" was named for Janet Quarton, a British fan; and Geordi La Forge was named after another Trek fan, George La Forge, who was confined to a wheelchair.

The series attracted numerous actors, actresses, and other celebrities and public figures to play guest starring or cameo roles at their own request, since they were fans of Star Trek (1966). Most notably of these was Whoopi Goldberg's frequently recurring role as Guinan. However, the producers were unable to fulfill every request they received, the most notable being one by Robin Williams. Due to Williams' schedule filming Hook (1991), he had to forfeit his role in season five, episode nine, "A Matter of Time", and Matt Frewer took his place.

Jonathan Frakes returned to rehearsals at the start of the second season sporting a beard with the intention of shaving it off before shooting began, but the producers liked it, and asked him to keep it. It remained for the rest of the show's run and became an iconic part of the character. (He eventually shaved it off during a scene in Star Trek: Insurrection (1998)). In one segment, Q sarcastically notes Riker "was more fun before the beard."

The Ferengi were originally introduced with the intention of making them the main, recurring adversaries in the series (very much like the Klingons were in Star Trek (1966)). However, audiences found the Ferengi too comical to take seriously as potential foes, and the race was gradually refined into the more blatantly comical characters later typified by Quark in Star Trek: Deep Space Nine (1993). The Borg eventually became infamous as this show's ultimate nemesis.

The transporter effect was created by filming stirred glitter in water.

Picard rose to his rank of Captain when his Commanding Officer aboard the U.S.S. Stargazer was killed in battle. A model of the Stargazer can be seen displayed by the back wall in Picard's ready room. The ship was shown in season one, episode nine, "The Battle".

Close inspection of an oversized Enterprise schematic, which was shown in nearly every episode, reveals a detail invisible to television audiences. The image of a mouse on a wheel in Engineering (the schematic is on display at the Hollywood Entertainment Museum). A Porsche can also been seen in the Main Shuttlebay.

The Q Continuum were originally going to be numerous identical individuals, all played by John de Lancie. This portrayal is rather apparent in the series opener, "Encounter at Farpoint", with each change of costume usually resulting in a change in attitude and demeanor. However, by Q's next appearance, season one, episode ten, "Hide and Q", this particular idea seems to have been dropped, with Q acting as a single individual, and later episodes introduced other members of the Q Continuum played by very different-looking actors, a gimmick which continued in a few episodes of Star Trek: Voyager (1995).

Mae C. Jemison is the only real astronaut to appear in any Star Trek show (season six, episode twenty-four, "Second Chances").

The character of Q (John de Lancie) appeared at least once in every season except for the fifth. Wesley Crusher (Wil Wheaton) appeared in every season except the sixth.

Along with other humorous readouts, the table in Engineering has an item labelled "Infinite Improbability Generator" in a reference to the propulsion system aboard the Heart of Gold in Douglas Adams' "Hitchhiker's Guide to the Galaxy".

Captain Jean-Luc Picard is the only Captain in a Star Trek series who didn't originate from the United States, as he came from the town of Labarre, France. Captain James T. Kirk (Star Trek (1966)) was from Riverside, Iowa, Captain Benjamin Sisko (Star Trek: Deep Space Nine (1993)) was from New Orleans, Louisiana, Captain Kathryn Janeway (Star Trek: Voyager (1995)) was from Bloomington, Indiana, and Captain Jonathan Archer (Star Trek: Enterprise (2001)) was from upstate New York.

In a 1989 interview with Starlog Magazine, Jonathan Frakes said he knew the series had made it when it was satirized in Mad Magazine.

Wesley Crusher takes his first name from Gene Roddenberry's middle name.

As a running gag, bathrooms are never shown on Enterprise schematics. This joke is referenced in Star Trek: First Contact (1996) when Zefram Cochran asks Geordi, "...don't you people from the twenty-fourth century ever pee?" Also, in an interview on Tomorrow Coast to Coast (1973) with Tom Snyder, James Doohan stated that bathrooms weren't needed in the future because "that's what phasers are for."

The "El Baz", one of the Enterprise's most frequently seen shuttle craft, was named for Farouk Elbaz, a N.A.S.A. scientist who helped train the astronauts during the Apollo program.

Wil Wheaton left the show towards the middle of the fourth season to pursue movie opportunities. Wesley was written out by being accepted into and departing for Starfleet Academy. Wheaton reprised his role as Wesley in sporadic guest appearances during the show's later seasons, as well as brief cameo in Star Trek: Nemesis (2002) (most of which was relegated to the deleted scenes).

Gates McFadden (Dr. Crusher) and her second season substitute Diana Muldaur (Dr. Pulaski) are the only regularly appearing doctors from any of the five Star Trek series not to say "I'm a doctor, not a ____" in some capacity.

Michael Dorn's make-up as Lieutenant Worf took approximately two hours to apply.

Tim Russ, later to play Tuvok on Star Trek: Voyager (1995), was a candidate for the role of Geordi.

Whoopi Goldberg first inquired about appearing on the show prior to its debut. It was nearly a year before she heard back from anyone on it, as producers initially didn't think her inquiry about a role on the show was serious.

VISOR stands for "Visual Instrument and Sensory Organ Replacement" according to Star Trek printed materials. This phrase is never spoken on-screen.

Jonathan Frakes appeared in all of the live-action Star Trek spin-offs. In addition to playing the role of Commander William T. Riker on this show, he appeared on Star Trek: Voyager (1995) season two, episode eighteen, "Death Wish" as Commander William T. Riker. On Star Trek: Deep Space Nine (1993) season three, episode nine, "Defiant", he reprised his role from this show, season six, episode twenty-four, "Second Chances" as Thomas Riker. On Star Trek: Enterprise (2001) season four, episode twenty-two, "These Are the Voyages...", he reprised his role as Commander William T. Riker set during the setting of this show, season seven, episode twelve, "The Pegasus".

A year after the series ended, Michael Dorn reprised his role on Star Trek: Deep Space Nine (1993) making Worf the only character featured regularly on two Star Trek series. Chief O'Brien was also a regular character on Star Trek: Deep Space Nine (1993), but only a recurring one on this show.

During the first few seasons, many in the writing staff became frustrated by Gene Roddenberry, feeling his Utopian standards severely limited the quality of the stories they wanted to create. This resulted in some of the writers quitting the show, while remaining writers began to feel a greater sense of freedom when Roddenberry began to take a lesser role in overseeing the series. Some writers also found it odd that Roddenberry had forbidden any interpersonal conflicts between the regular characters in light of the fact that such conflicts between Kirk, Spock, and McCoy were a centerpiece of Star Trek (1966).

Gates McFadden was pregnant during most of the fourth season. Since it was not incorporated into the series, directors used a variety of techniques to hide her pregnancy on-screen.

The character of Geordi LaForge was originally conceived to be Jamaican. When LeVar Burton was cast in the role, this plan was dropped. Although a Jamaican actress, Madge Sinclair, appeared as Geordi's mother.

The show's producers successfully established and maintained an ensemble cast format by having several episodes focus around Geordi LaForge, Deanna Troi, or Wesley Crusher. This was meant to improve upon Star Trek (1966), which largely focused on Kirk, Spock, and McCoy in every episode at the expense of the show's supporting characters. The ensemble format was used in Star Trek: Deep Space Nine (1993), Star Trek: Voyager (1995), and Star Trek: Enterprise (2001).

The Borg were originally written as insectoids, but were changed to cyborgs due to budget constraints.

Originally, Data was going to be the Chief Science Officer on the Enterprise (like Spock was on Star Trek (1966)) and wear a blue uniform. However, the color blue clashed with the android make-up, and the idea was changed. Data was reassigned as the Chief Operations Officer and sported a gold uniform for all seven seasons (except for two episodes, which were; season four, episode eight, "Future Imperfect", in which we see him on the bridge as the First Officer in the possible future scenario, and season six, episodes ten and eleven, "Chain of Command" in which he's promoted to First Officer, and wears a red tunic).

The character of Tasha Yar was originally going to be a Latina named Macha Hernandez, inspired by the tough female marine Vasquez in Aliens (1986). In fact, Jenette Goldstein (who played Vasquez) auditioned for this character, and later played the Enterprise-B Science Officer in Star Trek: Generations (1994).

Marina Sirtis wore a wig for most of the series, and her real hair was styled around the "fall", while Gates McFadden wore a full wig for the first few seasons.

Marina Sirtis, a Londoner, initially delivered her lines in what was supposed to be an alien-sounding accent, because Troi was half human/half Betazoid. However, when Majel Barrett appeared as her mother, Lwaxana, she spoke in her American accent. Sirtis then developed Troi's accent into an Eastern-European sound, as it was decided that was where Troi's human father came from. During a television interview early in the first season, Sirtis was asked how she'd developed her accent. She stated that she had an Israeli friend who she had always thought of as sounding rather exotic, so that was the accent Sirtis decided to use for her character.

Paramount Pictures felt that a Star Trek (1966) sequel or spin-off series would ultimately be cheaper to produce than a direct revival of the original series. Specifically, it was felt that lesser or unknown actors wouldn't have the same salary demands that the existing actors would.

Colm Meaney first appeared as an unnamed red shirted crew member in season one, episode one, "Encounter at Farpoint" and season one, episode seven, "Lonely Among Us". His character was revealed to be named O'Brien after season two, when he was first introduced in a recurring role as the ship's Transporter Chief. In season four, episode two, "Family", he was identified as Miles Edward O'Brien.

Characters on the Enterprise frequently access hidden ship's mechanisms by removing "Mees Panels" from the walls. This is two-pronged inside joke: Jim Mees was this show's set decorator, and "Mees Panels" are a reference to him and to the original series' "Jefferies Tubes", named for prop master Walter M. Jefferies.

When the Enterprise-D was initially being designed, the producers conveniently located a transporter room directly off the main bridge. Gene Roddenberry nixed the idea, saying he wanted the characters to have conversations in the turbolifts before and after embarking on a mission. The in-bridge transporter concept eventually appeared in Star Trek: Deep Space Nine (1993).

The original concept for Counselor Troi (at the time called Lieutenant Commander Troi) portrayed her as a sexually voracious, four breasted alien. D.C. Fontana personally lobbied Gene Roddenberry that this concept was ridiculous, and would require unfeasible make-up, so the idea was dropped.

Initally, Worf wasn't to be a part of the series, and when first created, only meant to be a recurring character. To set the series apart from Star Trek (1966), Gene Roddenberry did not want to use any of the aliens from the original series in any capacity. Worf was created as a compromise between Roddenberry and the other producers, and Roddenberry's sanction of excluding original series aliens was gradually dropped.

Geordi LaForge has been promoted faster than any Star Trek character before or since. In the first season, Geordi was a Lieutenant Junior Grade. In the second season, a full Lieutenant. In the third season, a Lieutenant Commander. (Other characters have had that many ranks, but none were promoted as fast as Geordi was.) Star Trek: Voyager (1995) season five, episode six, "Timeless" takes place in the future, where Geordi is a Captain.

Although informally called "Will" throughout the series, Commander William T. Riker is addressed by Counselor Deanna Troi as "Bill" in several episodes during the first season.

The special and visual effects producers frequently used everyday objects to create futuristic effects. The hovering killer probe in season one, episode twenty-one, "The Arsenal of Freedom", was made of a shampoo bottle and a pantyhose container. The edge of the universe was created in season one, episode six, "Where No One Has Gone Before", by bouncing a laser beam off of a beer can. One element of the sliding door sound is sound editor James Wolvington's shoe squeaking against the floor.

When Gates McFadden was dismissed for the second season, it was explained that Dr. Crusher had left the Enterprise to take a post at Starfleet Medical. Other than Crusher's return in the third season, no explanation was given for Dr. Pulaski's departure. Pulaski was barely mentioned and largely forgotten throughout the rest of the series, and nothing was said of her post-Enterprise whereabouts.

According to LeVar Burton, during the first season, during the course of filming, he would spend hours seated on the bridge set, with little or no speaking. This led to some tedium, which would cause him to doze off, or completely fall asleep. However, this was barely noticeable, as his closed eyes were hidden by the VISOR prop.

This show borrowed its theme music from Star Trek: The Motion Picture (1979).

After authorizing Paramount Pictures to do a new Star Trek television series, Gene Roddenberry initially was to have no involvement with the show. After hearing some of the original ideas and concepts for the show, he changed his mind and signed on as executive producer.

The colored portions of the uniforms are actually much darker in real-life (for example, the red uniforms are really maroon), but appear that bright due to the lighting used on the show.

When first introduced, Worf's son Alexander was played by Jon Paul Steuer. After deciding to add Alexander as a recurring character, producers wanted the role to be played by a more experienced child actor. Brian Bonsall was cast in the role on the strength of his experience in television on Family Ties (1982).

In 1994, this show became the first show in syndication to ever be nominated for an Emmy for Outstanding Drama Series.

When a writers' strike hit the series at the start of the second season, several stories from the proposed late 1970s series Star Trek: Phase II, which was eventually dropped in favor of becoming Star Trek: The Motion Picture (1979), were quickly dusted off and adapted for The Next Generation crew. For example, season two, episode one, "The Child".

Sir Patrick Stewart and Brent Spiner hated their characters' pets (the fish Livingston, and cat Spot). Stewart objected to the idea of keeping any life form in captivity, since the series argued for the freedom of every species. In fact, Ronny Cox agreed with him, and to "throw a bone" to Stewart, his character orders Livingston gone, when he takes command of the ship. Alternatively, Spiner just doesn't like cats.

Whoopi Goldberg (the recurring mysterious barkeeper Guinan, seasons two through six, and Star Trek: Generations (1994)), was given the role after being a fan of Star Trek (1966) and expressing interesting in having a recurring role on this show.

The number 47 pops up an inordinate amount of times on computer screens, serial numbers, dates and so on. This tradition was started by writer and co-producer Joe Menosky, and was soon picked up by the rest of the production team. Menosky said that he chose that particular number because when he was a graduate student at Pomona College, Professor of Mathematics Donald Bentley proved, as a joke, that all numbers are equal to 47.

Most of the characters underwent minor changes before the show debuted. Picard's first name was Julien, Riker was spelled "Ryker", Data's name was pronounced "dat-uh" instead of "day-tah", and Wesley Crusher was Leslie Crusher, Dr. Crusher's daughter.

The two-part arcs "The Best of Both Worlds" and "Unification" contained "graveyard" scenes full of wrecked and/or abandoned starships. These scenes were populated with study models that were considered for use in Star Trek: The Motion Picture (1979) (as possible versions of the Enterprise) and Star Trek III: The Search for Spock (1984) (as the Excelsior). Some of the other wrecked ships were created via "kit-bashing", or by quickly mixing starship parts from many different models.

Gene Roddenberry's original scripts for the pilot, "Encounter at Farpoint", did not include any scenes set in the Enterprise's engine room. When he learned that Paramount Pictures was therefore refusing to pay to build an engine room set, he revised the scripts to include the engine room.

The Master Alarm sound was re-used from Star Trek (1966).

The original Starfleet uniforms were one-piece spandex jumpsuits that, per Gene Roddenberry's request, were made one size smaller than that of the actors and actresses wearing them. Roddenberry wanted the suits to be perfectly skin tight over the actors'and actresses' bodies, like a second skin.

The corridor, engineering, transporter room, and battle bridge sets were derived from sets originally built for the first four Star Trek movies. A majority of the sets also served as different locations on the Enterprise-A in Star Trek V: The Final Frontier (1989) and Star Trek VI: The Undiscovered Country (1991).

The Ferengi were modelled after stereotypical lawyers: always making deals, following contract laws, overly concerned with money, and looking down on women.

When producers decided not to bring back Diana Muldaur for season three, they considered introducing a new doctor to the series. Fans had expressed their disappointment over Gates McFadden's departure after season one, and rather than introduce the third doctor in as many seasons, producers decided to bring back Gates McFadden as Dr. Crusher.

Season four, episode two, "Family", was the only episode in which Brent Spiner did not appear.

While there were negotiations to sell this show to one of the major television networks, it was ultimately decided to air the series in syndication, as that was how Star Trek (1966) ultimately found success. In addition, Gene Roddenberry maintained resentment over network interference with the original series, as well as other attempted series, and wanted to work independently from the networks.

The season three finale, "The Best of Both Worlds", was largely connected with Sir Patrick Stewart's contract negotiations. Stewart's contract for the series expired after the third season, and Stewart was giving serious consideration to not renewing it. Had Stewart not come to terms with producers on a new contract agreement, Picard would have been killed off in the season four opener, "The Best of Both Worlds: Part II".

Denise Crosby left the series feeling dissatisfied with the proper development of her character, and the desire to pursue movie roles. Crosby credits Gene Roddenberry with understanding her reasons and respecting her wishes to leave the series. Crosby also maintains that most other producers would have made her stick to her contract and stay with the show.

The decision to produce this series for syndication, rather than for a network, was considered a gamble at the time. It was the most expensive project of its kind ever attempted, but it did so well, it ended up opening the door for a tidal wave of made-for-syndication dramatic series (including Hercules: The Legendary Journeys (1995), Xena: Warrior Princess (1995), Andromeda (2000), Star Trek: Deep Space Nine (1993), and Baywatch (1989)), which continued for more than a decade. Had the show failed, Paramount Pictures would have just added the segments to the Star Trek (1966) syndication package, just as they did with the remastered pilot "The Cage".

In this series, the uniforms worn by Romulan military officers have a variety of patterns and colors on them. These do not appear to have anything to do with the Romulan's position or rank. A popular fan theory is that Romulan uniforms are patterned according to family or clan affiliation.

Some characters have their origins from the proposed Star Trek: Phase II series. Riker and Troi were based on Lieutenants Decker and Ilia from Star Trek: The Motion Picture (1979), and originally intended for Phase II. Data is based on Xon, a full Vulcan lacking emotion with high intelligence who aspires to learn about, and attempts to mimic, human behavior. In addition, Phase II would have seen Kirk as mostly ship bound, matured, and tempered by experience, while mellowing with age, traits given to Captain Picard.

The three live-action Star Trek series after Star Trek (1966) each had a cameo appearance by a character from its predecessor series in its premiere episode. In this one, season one, episode one, "Encounter at Farpoint", has Admiral Leonard H. McCoy, M.D. (DeForest Kelley) appear as an honored guest being escorted by the Enterprise-D.

Early in the planning stages of the series, Roger C. Carmel was offered the chance to return as his Star Trek (1966) character Harry Mudd, but he died before production would have begun on such an episode. Attempts were also reportedly made to get Leonard Nimoy to appear during the first season, but fans had to wait four years for that to happen in season five, episode seven, "Unification (1)".

Marina Sirtis wore dark contact lenses for her role as Deanna Troi. In reality, her eyes are green, but the producers felt the characters eyes should reflect her dark hair.

During season two, when Gates McFadden was released from the series, she used the opportunity to play the role of Catherine Ryan in The Hunt for Red October (1990). She returned to the show, making her unavailable for Patriot Games (1992), so she was replaced by Anne Archer.

The genesis for the creation of Data stemmed from an earlier television project by Gene Roddenberry. In 1974, Roddenberry created an unsold pilot for a proposed series called The Questor Tapes (1974), which centered around an android studying humanity while seeking his creator. This was combined with the concept of Xon, the emotion-curious Vulcan from the Star Trek: Phase II proposal of the 1970s, to coalesce into Data.

The series takes place from 2364 to 2370.

During the first season, Gene Roddenberry clashed virtually non-stop with the writing team and Paramount Pictures executives. Roddenberry and Paramount fought back and forth over the length of the show, and later, the length of the pilot. He was also known for re-writing scripts of other writers (and letting his lawyer do so as well, violating WGA rules), or praising them one day, then firing the writer the next. Unbeknownst to the rest of the creative team at the time, Roddenberry had suffered a series of ministrokes, which greatly affected his mood and memory. He was also known for drinking heavily through the lunch hour, and most of the afternoon, against doctor's orders, which caused him broad mood swings and confusion.

According to Brent Spiner, his character's name, Data, was intended to be pronounced "dat-uh", as was more commonly used in American English as the time, but Sir Patrick Stewart's used the British pronunciation "day-tah" during the first table read, and that was subsequently used for the series. Spiner also credits Stewart's pronunciation for making "day-tah" the more commonly used pronunciation of "data" in American English vernacular.

Jeffrey Combs auditioned for the role of William T. Riker, and went on to play roles on Star Trek: Deep Space Nine (1993), Star Trek: Voyager (1995), and Star Trek: Enterprise (2001).

Gene Roddenberry had made public his plans to add gay characters to the show (with Geordi La Forge reported to be one such character in the original series treatment), and had even commissioned scripts to introduce them at the start of the series' run. However, with his declining health and subsequent death leaving executive producer Rick Berman in charge of production, these plans were scrapped, and as of 2015 no overtly gay characters have appeared in any "Star Trek" television series or movie, though several were originally scripted as such. Though no public reason has ever been cited for this omission, writers David Gerrold, Ronald D. Moore, and actors and actress Leonard Nimoy, Kate Mulgrew, and Scott Bakula have all obliquely pointed to Berman as personally vetoing all attempts to introduce LGBT characters into the "Trek" universe. Star Trek, long praised as a pioneer in introducing awareness of social causes into popular entertainment, has been criticized for having cold feet on this particular matter. It wasn't until Star Trek: Beyond (2016) that an LGBT character would appear, when it was revealed that Hikaru Sulu was gay. This decision by the creative team was partly out of respect and an homage to real-life LGBT activist and gay actor George Takei, who originally portrayed Hiraku Sulu. Ironically, Takei was disappointed by the decision in the change, stating that this development for his character is out of step with what creator Gene Roddenberry would have wanted.

This show inspired one of the very first fandubs ever created, "Star Trek: Sinnlos im Weltraum" (German for "Star Trek: Pointless in Space"). Two fans used a VCR, a microphone and some Star Trek sounds (which were embedded in a merchandise key fob) to create their own version of some episodes. At first, in the mid 90s, they were distributed on VHS and were only available to a small group of Star Trek fans. But with the rising popularity of the Internet, the episodes got a much wider audience, subsequently gained cult status and, to this day, are shown at Star Trek (1966) conventions. Meanwhile, they were approved by Paramount Pictures, and it's legal to download them.

Original series writers D.C. Fontana and David Gerrold brought separate WGA arbitration suits against Gene Roddenberry, alleging that they had authored large portions of this show's series bible, and deserved co-creator credit. Fontana and Gerrold had been among the first people contacted by Roddenberry to work on the series and develop early concepts for the show. Both suits were settled in favor of the writers, who each received undisclosed settlements, while Roddenberry retained sole creator credit. The terms of each settlement also prevent Fontana, Gerrold, or anyone else associated with either arbitration suit from discussing the details of the settlement.

The first season features four different Chief Engineers: MacDougall, Argyle, Logan, and Lynch, who all appeared in separate episodes. At one point, it was indicated that the Enterprise had a team of rotating Chief Engineers. Argyle was the only one to make two appearances, and in addition was portrayed as Chief Engineer in the earliest novels and DC Comics Limited Series based on the show. This led to speculation that he would become a permanent character, but the Chief Engineer's position was given solely to LaForge beginning with the second season.

The series was first officially announced in late 1986, as part of events celebrating Star Trek's twentieth anniversary.

Many displays and readouts on this show also have smaller printing, or sight gags, that are too small to be read on a television screen. These were known internally as "Okudagrams", after production designer Michael Okuda. One such joke is on the medical displays and reads "Medical Insurance Remaining".

Lieutenant Worf wears a golden Klingon baldric (sash) during the show's first season. William Ware Theiss (costume designer for Star Trek (1966), as well as this show's first season) re-used this item from an original series Klingon costume. At the start of the second season, after Worf is promoted to Chief of Security, he wears a silver baldric, and wears the same one throughout the rest of the series run, as well as on Star Trek: Deep Space Nine (1993). The only exception is in the final episode during the past timeline, where Worf wears the gold baldric one more time. This version, made out of aluminum and gray leather was designed by second season costume designer Durinda Wood because the gold sash was starting to show signs of wear and tear.

Of the regular cast members (those listed in the opening credits) to direct episodes, Jonathan Frakes directed the most (eight). Sir Patrick Stewart directed five, LeVar Burton directed two, and Gates McFadden directed one.

The late Herbert J. Wright cited producer and writer Maurice Hurley as one of the reasons he left this show. In "Captain's Logs", he described Hurley as "basically playing drinking buddies with Gene Roddenberry." According to producer Rick Berman, Hurley was the reason behind Gates McFadden's departure from this show in its second season, as he disliked her acting, and "had a bone to pick with her." After he left the show in the third season, McFadden was invited back by Berman. However, this account was later discounted by McFadden, as well as by Tracy Tormé, who revealed that Hurley had been sexually harassing McFadden. With Paramount Pictures and the show's producers unwilling to help her, McFadden quit, returning only when Hurley was eventually fired for not getting along with the cast and crew. Tracy Tormé, who also clashed with Hurley many times, and left this show because of that, created a character in his series Sliders (1995) named "Michael Hurley", who was characteristically a jerk and referred to by characters as "a putz on every (parallel) world." Tormé has claimed the character is based on Maurice Hurley.

Running for seven seasons, the show briefly held the record for longest-running American live-action science fiction television series (though several fantasy series ran longer). It was soon tied by its spin-offs Star Trek: Deep Space Nine (1993) and Star Trek: Voyager (1995). In 2002, the record was taken by The X-Files (1993), which ended after nine seasons. Ultimately, Stargate SG-1 (1997) took the record with ten seasons. This was then surpassed by Smallville (2000), also with ten seasons, but consisting of more episodes. The record is now held by Supernatural (2005), which is currently standing at fourteen seasons (as of November 2018).

Deanna Troi was nearly written out after the first season, and, in fact, is absent from many of those episodes. But after Tasha Yar and Dr. Crusher were written out, Troi was kept.

The motto of Starfleet Academy, "Ex Astris, Scientia" ("From the stars, knowledge") is based on the motto of the United States Navy, "Ex tridens scientia" (From the sea, knowledge). The crest of the ill-fated Apollo 13 mission was "Ex Luna, Scientia (From the moon, knowledge)".

Beginning with season three, each season ended with cliffhanger episodes. Initially, the first season was to end in a cliffhanger, but the plans were scrapped due to the impending writers' strike. Had the cliffhanger happened, season two would have begun with the introduction of the Borg, who, as it turned out, debuted toward the end of season two, in episode sixteen, "Q Who". A cliffhanger ending to the second season became an impossibility due to that season going over budget.

Although it is frequently stated that a Vulcan named Doctor Selar is one of the most important members of Beverly Crusher's medical staff, the two are never seen together. In fact, Selar, played by Suzie Plakson, only appeared once in the entire series, in season two, episode six, "The Schizoid Man", during Gates McFadden's hiatus year, when Kate Pulaski (Diana Muldaur) was the ship's Chief Medical Officer.

Early on in the series, there were disputes among Star Trek fans, as to which series at that time was superior, Star Trek (1966) or this show. Night Court (1984) spoofed this in an episode where a group of Trekkers are brought before Judge Stone (Harry Anderson) for getting into a fist fight over this dispute. Brent Spiner, who played Lieutenant Commander Data, appeared in several episodes of Night Court (1984) as Bob Wheeler, the patriarch of a hillbilly family that kept getting hauled before Judge Stone for one wacky reason or another.

As of fall 2003, pieces of the original bridge, including the chairs and consoles, and a large Enterprise schematic, are preserved, and on display at the Hollywood Entertainment Museum, on Hollywood Boulevard in Los Angeles, California.

Rosalind Chao read for the part of Tasha Yar. She was later cast for the recurring role of Keiko O'Brien, a role she continued after being moved to Star Trek: Deep Space Nine (1993).

When first selling the series to individual television stations (as opposed to the networks), priority was given to stations airing Star Trek (1966).

Originally, Dennis McCarthy, a series main composer, composed a different theme music cue before the decision was made to re-use Jerry Goldsmith's theme from Star Trek: The Motion Picture (1979). The unused title music was issued on Volume 1 of the Next Generation soundtrack CDs, produced by GNP Crescendo Records in the U.S., as well as becoming Picard's Theme, which was heard in some episode scores (mainly early on).

Paramount Pictures was at first reluctant to do an updated Star Trek television series, feeling it would result in less fan interest towards the Trek movie franchise.

Dwight Schultz was cast in the recurring role as Barclay as the result of co-starring with Whoopi Goldberg in The Long Walk Home (1987). While working on the movie, Schultz asked Goldberg to pass on his request to make an appearance on the series.

A "Grand Corridor" set, intended to go around the perimeter of the Enterprise-D's saucer section, was conceived, but scrapped before being constructed, because it would have been too expensive to maintain. It was resurrected as part of Star Trek: The Experience - The Klingon Encounter (1998).

The prop bottles used for Klingon Blood Wine are Cuervo Margarita Mix bottles painted white.

Production difficulties wreaked havoc on the show from its inception. Gene Roddenberry's health began to decline due to continued heavy alcohol and drug use against doctors' orders, following a series of strokes, hypertension, and diabetes, though he did his best to hide his condition from Paramount Pictures and the cast and crew. In a most unusual practice, he set up his lawyer Leonard Maizlish with office space in the production office, to act as an aide. Maizlish clashed repeatedly with the rest of the creative team, in particular, after he was caught breaking into offices and computers, and was performing re-writes on scripts, despite no previous writing experience. Roddenberry routinely deferred to Maizlish regarding creative decisions on hiring cast and crew, but when the lawyer was revealed to have re-written scripts, a violation of WGA practices, he was banned from the lot, though not before original series writers David Gerrold and D.C. Fontana quit the show. Maizlish had also hired producer Maurice Hurley as head writer and producer over Gerrold and Fontana, both of whom were instrumental in creating the new series. Hurley clashed with the rest of the writers and the cast. Thirty writers quit the series in the first season, or were fired at Maizlish's and Roddenberry's behest, and Gates McFadden left after the first season due to creative differences. Between the first two seasons, Hurley suggested Paramount Pictures fire the entire cast and effectively reset the show, though he was overruled. He left following the second season, and was replaced by Rick Berman, who rehired McFadden and retooled the show to be more character-driven. By that time, Roddenberry had all but retired from the show, unable to work due to his health. He died during production of season five.

Gene Roddenberry created the recurring character of Lwaxana Troi with his wife Majel Barrett in mind. He based the role on the title character in Auntie Mame (1958), and later joked that Barrett was so perfect for the role, she wouldn't even need to act.

As the show progressed, producers decided to give Data a cat named Spot. Ironically, Brent Spiner despises cats, and admitted in interviews that with most cats, the feeling was mutual.

Guinan (Whoopi Goldberg) was named after Texas Guinan, a silent movie actress who became a New York City speakeasy owner during Prohibition.

One of the stars closest to Earth was Wolf 359, used as a McGuffin in a few episodes. The name is taken from The Outer Limits (1963) season two, episode eight, "Wolf 359".

As the show progressed, writers had hoped to depict a shipboard wedding involving one of the show's characters. Producers at one point considered having Picard being permanently married, but ultimately decided to have lead recurring character O'Brien married instead (season four, episode eleven, "Data's Day"). At one point, O'Brien's wife was to be a female crew member, who replaced Wesley as the ship's Conn Officer.

FOX Network showed interest in airing the series, but couldn't come to an agreement with producers on how many episodes to buy for the first season. The network only wanted to commit to thirteen episodes for the first season, and debut it when the network was launched in Spring,1987. The producers wanted a full season commitment and for the series to premiere in September of that year.

A promotional trailer for the series was featured on the initial home video release of Star Trek IV: The Voyage Home (1986).

Diana Muldaur (Dr. Pulaski) played two roles on Star Trek (1966): "Dr. Miranda Jones" in season three, episode five, "Is There in Truth No Beauty?", and "Lieutenant Commander Ann Mulhall, Ph.D." in season two, episode twenty, "Return to Tomorrow".

The hull number of the starship Bozeman is NCC-1941, because model maker Gregory Jein also worked on 1941 (1979).

The Borg were planned to be insectoid aliens, but the special effects budget wouldn't cut it. Season one, episode twenty-five, "Conspiracy", shows the aliens that would have been the Borg in the original concept. A similar race, the Jarada from season one, episode twelve, "The Big Goodbye", never even appear on-screen.

David Gerrold, a writer from Star Trek (1966), was a consultant and uncredited story editor on the first two seasons. He left in a dispute after a script of his containing two implied gay characters, and an allegorical reference to AIDS, was pulled from production at the last minute. The story, titled "Blood and Fire", was re-written in 2004 as a non-Star Trek novel by Gerrold, and later, as an episode of Star Trek New Voyages: Phase II (2004).

Although Dr. Pulaski (Diana Muldaur) appeared as a regular character for the entire length of season two, her name was never listed in the opening credits for the series. Her name always appeared in the Guest Stars under "Special Guest Appearance".

Wesley Snipes, Kevin Peter Hall, Clarence Gilyard, Jr., Victor Love, Chip McAllister, and baseball player Reggie Jackson also auditioned for the role of Geordi LaForge.

From the beginning of the series until the end of season four, the wall opposite the windows of the Enterprise-D's observation lounge featured an "alto-relievo"-style display of scale sculptures of six of the Earth vessels previously commissioned as the U.S.S. Enterprise. At the beginning of season five, and up until the end of the series, the Enterprise's sculptures were replaced with a standard wall, with no explanation provided about their removal. The previous Enterprises display did not return until Star Trek: First Contact (1996), where the Enterprise-E's observation lounge has a glass-covered display with seven golden models of the previous Enterprises. The only exception is in the final episode during the past timeline, where we briefly see the Enterprise sculptures one more time.

Many actors who originally auditioned for roles on this show later went on to appear in other Star Trek series; including Tim Russ, the second choice for Geordi LaForge, and Vaughn Armstrong, who auditioned for Riker.

Marina Sirtis based the accent of Deanna Troi on a friend of hers who was Israeli.

Lieutenant Reginald Barclay, an Enterprise Engineer, has the full name of Reginald Endicott Barclay III, according to the scripts of his episodes. This is an homage to the television series Benson (1979), which had a character named Clayton Endicott III (Rene Auberjonois, who played Constable Odo on Star Trek: Deep Space Nine (1993)).

If one includes the movies, nearly every member of the Star Trek (1966) crew has appeared in this series and interacted with the new crew: Kirk (in Star Trek: Generations (1994)), Bones (in season one, episode one, "Encounter at Farpoint"), Scotty (in season six, episode four, "Relics"), and Spock (in season five, episodes seven and eight "Unification, parts 1 and 2"). Chekov and Scotty also appeared in Star Trek: Generations (1994), but they do not interact with the Next Generation crew (although Chekov does speak briefly to future Enterprise-D bartender Guinan). Only Uhura and Sulu have not, but the former did appear on Star Trek: Deep Space Nine (1993) season five, episode six, "Trials and Tribble-ations", with Kirk, Spock, McCoy, Scott, Chekov and the DS9 crew, while the latter appeared on Star Trek: Voyager (1995) season three, episode two, "Flashback" (and is mentioned as one of Chakotay's contemporaries on Star Trek: Voyager (1995) season two, episode nine, "Tattoo".

The "Star Trek Crews" from all the Star Trek series were ranked #2 in TV Guide's list of the "25 Greatest Sci-Fi Legends" (August 1, 2004 issue).

Gene Roddenberry and Maurice Hurley fought throughout the first several seasons of the show, with Hurley frustrated by Roddenberry's meddling in scripts and inconsistent dictum. Hurley left the show in the third season, referring to Roddenberry as a "cuckoo bird", a lampooning of Roddenberry's reputation among fans as "The Great Bird of the Galaxy".

Jeffery Combs has the distinction of portraying eight different characters on various Star Trek series. He has played the roles of Brunt, Weyoun, Shran, Tiron, Kevin Mulkahey, Penk, Krem, and a holosuite guest. He is one of only five actors to play seven or more different characters in the Star Trek franchise, the others being Randy Oglesby, J.G. Hertzler, Vaughn Armstrong, and Thomas Kopache. Coincidentally, Combs has appeared on Star Trek with all four of those actors.

Upon taking over as head writer at the start of season three, Michael Piller opened story suggestion submissions from nonprofessional and unrepresented writers. This resulted in the show becoming the first Hollywood produced television series with any such open submission policies.

Edward James Olmos turned down the role of Jean-Luc Picard to focus on stage and movie work.

Riker, Data, and Worf are left-handed, as that's the hand that always draws their phasers.

The episode previews were narrated by Ernie Anderson (seasons one through three) and Don LaFontaine (seasons four through seven).

Several members of the cast went on to direct episodes: Sir Patrick Stewart, LeVar Burton, Gates McFadden, Michael Dorn, and, most notably, Jonathan Frakes, who also directed two of the movies.

Somewhat ironically, while LaForge was blind, LeVar Burton is noted for having expressive eyes, which he's used to his advantage in several other parts he's played. Producers made attempts to keep his eyes less hidden by the VISOR, including a rejected proposal to have LaForge gain natural eyesight through an advanced medical procedure. By the movies, the problem was solved with Ocular Implants being used in replacement of the VISOR.

Despite phasing out the "one-piece uniforms" from the first two seasons, this variant of Starfleet uniform reappeared at least once every season afterwards. (worn by many "extras" in season three, used in a video record in season four, episode eighteen, "Identity Crisis", worn by Picard in a nightmare in season five, episode twelve, "Violations", worn by a duplicate Riker in season six, episode twenty-four, "Second Chances", and worn in the past time frame in season seven, episodes twenty-five and twenty-six, "All Good Things..."

Yaphet Kotto, Roy Thinnes, Patrick Bauchau, and Mitchell Ryan auditioned for the role of Captain Jean-Luc Picard. Ryan later guest starred as Riker's father in season two, episode fourteen, "The Icarus Factor".

Many of the crew were avid fans of Japanese animation, and often put in references to their favorite shows. This includes the "Exocomps" in season six, episode nine, "The Quality of Life", were modelled after the robot Namno from Dirty Pair OVA (1987), while other episodes often referenced characters from Urusei yatsura (1981). The "Akira-class" starships are also meant as a double reference to the 1988 anime of the same name and director Akira Kurosawa. The alien race of the Nausicaans is said to have been named after the title character from Nausicaä of the Valley of the Wind (1984). Contrary to popular expectation, however, according to Rick Sternbach, the U.S.S. Yamato in season two is named directly after the World War II Japanese battleship Yamato, and not truly an intentional homage to Uchû senkan Yamato (1974), which is also known as Star Blazers (1979). Sternbach, an anime fan, noted that he had no input in the naming of the ship, and he further speculates that the scriptwriters were unaware of the anime connection.

Jonathan Frakes has appeared in all of the live-action Star Trek (1966) spin-offs. On this show and Star Trek: Voyager (1995) season two, episode eighteen, "Death Wish", he played Commander William T. Riker. On Star Trek: Deep Space Nine (1993) season three, episode nine, "Defiant", he reprised his role from this show, season six, episode twenty-four, "Second Chances" as Thomas Riker. On Star Trek: Enterprise (2001) season four, episode twenty-two, "These Are The Voyages...", he appeared as Commander William T. Riker.

British trade weekly Broadcast has named this the tenth best U.S. television show ever.

According to Sir Patrick Stewart, the soundstage at Paramount Studios that permanently housed the Bridge, Ten Forward, Captain's Ready Room, and Observation Lounge sets was the same soundstage where the whole of Sir Alfred Hitchcock's Rear Window (1954) had been filmed.

From the start of the series, many fans expressed hopes about stories featuring Next Generation characters crossing over with those from the original series. However, while he did make some exceptions, Gene Roddenberry opposed such crossovers as part of his desire to keep the shows set apart from each other. More direct crossovers, most notably Star Trek: Generations (1994) and including episodes of Star Trek: Deep Space Nine (1993), began to be featured following Roddenberry's death.

As rights holders to the Star Trek franchise at the time, DC Comics published a six issue limited series based on the show from late 1987 to early 1988. This was followed up by a regular comic book series by DC which lasted from 1989 to 1996, and included an adaptation of Star Trek: Generations (1994).

Before the decision was made to air the series in first run syndication, producers considered an offer to air the show on the FOX Network, which was launched at roughly the same time the series was. Many FOX affiliated stations, particularly those just going on the air, broadcast the series as part of their non FOX Network programming.

Patti Yasutake was considered for the role of Keiko O'Brien before being cast in the recurring role of Nurse Alyssa Ogawa.

During the show's development, there was consideration for Dr. Crusher to have a daughter named Leslie, as opposed to her son Wesley.

Throughout the series, several references are made to William Shakespeare. Prior to being cast as Picard, Sir Patrick Stewart had acted primarily with the Royal Shakespeare Company.

Throughout the first five seasons of the show, the set of sliding doors located on the wall next to the center console in Engineering were part of a turbolift. In the last two seasons, the turbolift was changed to a Jefferies tube access room.

Gene Roddenberry had not realized that until Star Trek (1966) premiered, there were no African-American characters in science fiction movies and television. When he had lunch with Whoopi Goldberg, she inquired about wanting to appear on this show, Roddenberry created the role of Guinan for her.

James Avery and Julian Christopher auditioned for the role of Worf. Both guest starred on this show.

The pilot, "Encounter at Farpoint" took place seven years before Star Trek: Generations (1994) which was mentioned in dialogue by Data and Geordi, and it also took place fifteen years before Star Trek: Nemesis (2002), in which Picard mentioned that Riker had been his right arm for fifteen years. Riker became first officer of the Enterprise when it was launched to Deneb IV during the Farpoint mission.

Kevin Peter Hall, Mark Lindsay Chapman, Eric Menyuk, and Kelvin Han Yee auditioned for the role of Commander Data. Menyuk played the recurring role of "The Traveller".

In interviews, Wil Wheaton has said that he was never much of a Star Trek viewer or fan prior to his involvement with this show, and actually grew up as a fan of Star Wars, whose fan base has a healthy rivalry with that of the Trek franchise.

Season five, episode five, "Disaster" was the final episode to air before Gene Roddenberry's death just two days later.

Broadcasting of the series by television stations outside of the U.S. did not start until 1990, three years after its debut. This is because Paramount Pictures had signed exclusive broadcast rights with premium television stations such as the SKY satellite network in Europe, plus the series was also selling well through domestic VHS rentals (each tape contained two episodes). Even when television networks started broadcasting the first season starting in the fall of 1990, the show was expensive to acquire the rights to, for example, when BBC2 started broadcasting it, each episode allegedly cost the BBC one hundred thousand pounds sterling to broadcast (approximately one tenth of each episode's production budget).

Christina Pickles was a strong runner up for the part of Doctor Pulaski. Producer Rick Berman recalls that the choice between Pickles and Diana Muldaur was a "very difficult decision."

Anne Twomey and Jenny Agutter auditioned for the role of Dr. Beverly Crusher.

Gene Roddenberry, Jonathan Frakes, and Diana Muldaur shared the same birthday, August 19.

In the series' many poker scenes, the characters (most notably Riker) typically do what's called "string betting", putting forward chips to call a bet faced to them and then putting their raise out in a separate movement. String betting is uniformly illegal at real-life casinos unless the full raise amount is verbally declared first (the idea being that a player's intentions should be clear right away, so as not to mislead other players).

Stephen Macht was the front runner for the role of Captain Picard. He appeared on Star Trek: Deep Space Nine (1993) season two, episode two "The Circle", and Star Trek: Deep Space Nine (1993) season two, episode three, "The Siege".

The Next Generation was an apt term for at least two of the series crew members. First season regular Denise Crosby was the granddaughter of entertainer Bing Crosby, and series writer Tracy Tormé was the son of singer and songwriter Mel Tormé.

J.D. Roth auditioned for the role of Wesley Crusher.

In one episode, Picard is shown slapping his face. This is a famous meme know as the "Facepalm".

LeVar Burton is the youngest of the main cast to appear in over one hundred episodes. He was thirty to thirty-seven years old throughout the show's run. Marina Sirtis was the next youngest, at nearly two years older. During the initial three seasons, though, Wil Wheaton was the youngest, since he was only fifteen years old at the show's beginning. Sir Patrick Stewart was the oldest. He was forty-seven to fifty-four years old throughout the show's run. During the second season, when Diana Muldaur played a regular character, she was two years older than Sir Patrick Stewart, making her the oldest of the ensemble.

Some purists, especially those watching via the Netflix streaming service, may consider that the end credits of each episode are incomplete without the original "Paramount - A Paramount Communications Company" logo and fanfare, later replaced with a CBS Television Distribution version, following the CBS-Viacom (Paramount) mergers and de-mergers. Netflix truncates the end credits, to start the next episode a bit sooner, until the final episode. As the final episode proper "All Good Things..." was presented as a ninety-three minute movie (ad breaks removed), the final Netflix episode was actually the Jonathan Frakes hosted retrospective, which ended with the STTNG end titles and the original Paramount fanfare, an unofficial Easter Egg treat for completist fans that viewed the entire run.

Lieutenant Commander Data was originally described in the show's writer's guide as having been created by "unknown aliens".

Gene Roddenberry based Wesley Crusher on himself.

Julia Nickson, Liane Langland, Leah Ayres, Marta DuBois, and Bunty Bailey also auditioned for the role of Tasha Yar.

Data weighed approximately one hundred twenty kilograms, or two hundred sixty-five pounds. This was revealed during season seven, episode ten, "Inheritance", when Data encounters his mother. During their first conversation together, she commented about raising a "one hundred twenty kilogram" baby. Since Data's dimensions remain unchanged throughout his existence, the weight can be considered at least an approximation.

Michael O'Gorman, Gregg Marx, and Ben Murphy also auditioned for the role of Commander William T. Riker.

On the show, Wesley Crusher gets badly treated by Captain Picard, who repeatedly tells him to "Shut up." In the novel "Star Trek: The Next Generation: Death in Winter" by Michael Jan Friedman, it is revealed that before he was Captain of the Enterprise, Picard was hopelessly in love with Beverly Crusher, and it's likely Picard treats Wesley badly due to bitter feelings over Beverly marrying Picard's best friend Jack (Wesley's deceased father). Wesley Crusher was voted on-line as one of "Television's most hated characters" and was perceived as annoying and arrogant.

Susie Plakson (Vulcan, Dr. Selar) played the half-human/half-Klingon K'Ehleyr in season two, episode twenty, "The Emissary".

Although never officially stated in the series, its strongly hinted at, and plausible that Worf's adoptive name, and official Starfleet name, was actually Worf Rozhenko. His adoptive human parents are called Rozhenko, his mother makes a reference to Rozhenko men's beards when talking to Worf, and his son is called Alexander Rozhenko. This would be normal as Worf uses both his adoptive human surname, and his Klingon heritage titles, akin to an adopted person choosing to use their adopted name, and their original "birth" name.

It becomes clear during the entire series run that although Starfleet uses seemingly decimal and or mathematical Stardates for the Logs, et cetera, that the Enterprise runs the ship time on the twenty-four hour system. Note that references to meeting times are given in the twenty-four hour military form ("0700 hours"). Additionally, its gradually apparent that Data usually is on the "night" shift covering the bridge, as he never sleeps, Riker has the "morning" shift, and that Picard has the "evening" shift, and on-call. Additionally, this could explain why there are three Chief Engineers early on in the show, one for each shift, with the series eventually following just Geordi's shift. Presumably, the whole crew works shift rosters, which is why the observant viewer never sees all of the same faces in every episode, including those of the "regular" background actors and actresses.

In November 2018, during a business announcement, Vodafone Ireland announced that its (Ireland based) customers' mobile data usage had now used "over 21.2 petabytes of (mobile phone) data for the first time." The Enterprise's Commander Data has stated his maximum storage capacity is one hundred Petabytes. It sounded impressive when the show was first broadcast in the late 1980s, but extrapolated by Moore's Law, Data's storage will actually seem tiny by the real twenty-third century, not unlike the modern twentieth to twenty-first century mobile phone handset having more computer power than the mission to put man on the moon, and that was only fifty years ago.

In a list appearing in Spectrum issue #22, dated April 2000, of the best television series of the 1990s, John Thorne ranked this show as number seven.

Although Star Trek V: The Final Frontier (1989) and Star Trek VI: The Undiscovered Country (1991) were based on the original Star Trek (1966) television canon, they were released while this show was on the air and making new ones. Star Trek V: The Final Frontier (1989) was released between season two, episode eighteen, "Up the Long Ladder", and season two, episode nineteen, "Manhunt". Star Trek VI: The Undiscovered Country (1991) was released between season five, episode nine, "A Matter of Time", and season five, episode ten, "New Ground".

Brent Spiner modelled Data after Pinocchio (1940).

Marina Sirtis was really upset when Gene Roddenberry passed away.

In season five, episode twenty, "Cost of Living", Deanna Troi's overbearing mother Lwaxana was motherly towards Worf's son Alexander. In season seven, episode seven, "Dark Page", it was revealed why Lwaxana Troi worries about Deanna, in which a tragic backstory is revealed, and we learn Deanna had a sister she never knew, named "Kestra" who died seven months after Deanna was born, and whose death left Lwaxana deeply traumatized and kept it a secret from Deanna for years. It's understandable that Lwaxana doesn't to lose Deanna too, as Deanna is the only family she has left, as both Kestra and Andrew Troi, Deanna's father have died.

If was never known if Gene Roddenberry had watched the long-running BBC science fiction series Doctor Who (1963). The Cybermen from that series may had been an influence behind The Borg. The Cybermen and the Borg have similar concepts. The Cybermen were humans, before going robotic, and the Cybermen would covert other humans into Cybermen. The Borg, on the other hand, are a partially synthetic alien species would assimilate humans and other humanoid life forms by injecting them with microscopic machines called nanoprobes and surgically adding cybernetic parts and these newly assimilated Borgs would become one with the Borg Collective. In the graphic novel crossovers of this show and Doctor Who (1963), Captain Picard, the Enterprise crew, and the Borg met the Eleventh Doctor, Amy Pond, Rory Williams, and the Cybermen. Karen Gillan (Amy Pond) is a fan of this show.

Karen Gillan, who achieved fame with her breakout role as Amy Pond in Doctor Who (2005), is a fan of this show. Karen Gillan starred opposite John Cho in the short-lived comedy Selfie (2014). John Cho played Hikaru Sulu in the J.J. Abrams Star Trek movies.

Sir Patrick Stewart is the oldest of the Captains in the four series. He was forty-seven to fifty-four-years-old throughout the series. The next oldest was Avery Brooks, who was forty-four to fifty-one-years-old.

Gene Roddenberry never acknowledged that he watched Doctor Who (1963) as fans speculated that The Cybermen influenced the creation of The Borg. In the Doctor Who television series, The Cybermen (cybernetically augmented humanoids) were once a humanoid race that went robotic for their survival. Both The Borg and The Cybermen assimilates humans or other humanoid into Cybermen. In the crossover comic book "Star Trek: The Next Generation/Doctor Who: Assimilation" Captain Jean-Luc Picard, the Enterprise-D crew, The 11th Doctor, Amy Pond and Rory Williams discover that the Borg and the Cybermen have formed an alliance.

In the original series, most planet sets were re-configured in nearly every episode, bar the obvious generic planet surface studio set. However, on binge watching episodes in order of this show, it becomes apparent that Paramount Pictures spent big money on building large standing set structures that would be re-used for several episodes back to back, even with minor to major set re-dressing. In particular, the one set that seemed to last the bulk of the seasons, was a huge cave interior set, which seemed to be the stock generic studio interior set cave and rock face location. Recognizable for a series of steps from a door sized entrance, larger steps, during the crystaline entity terra-forming episode, Picard's archaeology adventure, Picard and Wesley's water scene, an episode with Tasha Yar's daughter, Ambassador Spock's scenes, amongst many others.

Considering that Doctor Who and this show have story universes which feature aliens, travelling through parallel universes, space, and time, it's not implausible fan theory to consider that they may have shared the same story universe. This also explains the unavoidable similarities between the Borg and the Cybermen, being that they could be the same species, but at different parts of their evolution.

By 2018, thirty-one years after the series started, Mr Data's self-stated storage capacity of one hundred petabytes seems a lot less impressive. External hard drives in 2018, which are available in multiples of terabytes, and Cloud storage services such as Google Drive, et cetera, were offering up to thirty terabytes of storage, or more, for corporate clients for just a few hundred dollars rental a month. Data's ultimate storage capacity was only equal to one hundred thousand terabytes. This would seem relatively plausible factoring in how his hardware and software, and data systems are configured, by the time the series is set, and the massive (Cloud) storage capacity he probably shares with the Enterprise, and Starfleet. Also remember, that unlike the comparison to the 2005 internet storage space, Data would not have duplicate data. Additionally, its unclear how much if any of his video imaging he stores, and in which definition, as he's been with Starfleet over twenty years. Video files alone could fill one hundred thousand terabytes easily by then. Considering how fast computers can process in 2018, this also had the scenes featuring computer data (ships logs) being uploaded, downloaded, et cetera, taking a few minutes, hours seem incongruous, unless its extrapolated by the massive amounts of data that would be being acquired by then in space exploration, within the story universe. The Enterprise alone seemed to have several heavy data-hungry science sections, and it was never stated on this show just how much data storage the Enterprise has to its self use, such as the Holodeck, et cetera.

During a few episodes, its revealed that Dr Crusher seems to be in charge of the Enterprise's staging of on board theatrical events. She asks Picard if he will take on a role. Jean Luc's polite refusal reply of "Oh, I'm not much of an actor." was a massive knowing in joke, as even up to STTNG, Sir Patrick Stewart OBE had already had a huge acting career primarily in the UK, starting in 1959, spanning the Royal Shakespeare Company, many well known BBC Drama series, and British films.

Tasha Yar died three times during the series. The first time was when the main version was killed by Armus. An alternate universe version was killed when she came to the main universe in the past aboard the Enterprise-C, captured by Romulans, and killed trying to escape with her daughter Sela. The third was in the finale when an alternate past version was killed when the Enterprise exploded while closing the temporal anomaly.

Regarding season one, episode twenty-three, "Skin of Evil": Tasha Yar was the first regular Star Trek character to be permanently killed off. This is in line with Star Trek (1966), which had developed a reputation for killing off Enterprise security officers during the course of an away mission.