All episodes in season 8 are titled after quotes in the first season.

Nina Dobrev (Elena), Paul Wesley (Stefan) and Ian Somerhalder (Damon) are the only actors in the staff who get paid $40,000 per episode.

Zach Roerig, Michael Trevino and Paul Wesley originally auditioned to play Damon before landing their respective roles.

All episodes in Season 6 are the names of 90s songs. The exception being the episodes, "Bird In A Guilded Cage", "I Never Could Love Like That","I'll Wed You in the Golden Summer Time","I'm Thinking Of You All The While" were song titles from the year 1903.

In the book Katherine is described as a kitten while Elena is a tiger.

Ian Somerhalder auditioned twice for the role "Damon Salvatore" until he got it.

Nina Dobrev is six months younger than Steven R. McQueen while her character is two years older than his character.

Joseph Morgan (Klaus) married Persia White (Abby) who is 9 years older than him. They met while on the set.

As of 2016, The Vampire Diaries officially becomes the longest running vampire show beating Buffy the Vampire Slayer and True Blood which both ended after 7 seasons.

Ian Somerholder is actually 10 years older than Nina Dobrev, whereas Paul Wesley is only 6 years older in real life.

In the Vampire Diaries book series, Elena's best friend Meredith Sulez plays a big role in the epic story, but she obviously doesn't exist in the show.

Candice King (Caroline Forbes) and Steven R. McQueen (Jeremy Gilbert) dated in real life.

When playing the role of Katherine Pierce, Nina Dobrev wears a "curly hair wig."

Claire Holt (Rebekah) was cast by Kevin Williamson after she had auditioned for a role in his other series The Secret Circle (2011).

According to Julie Plec The Vampire Diaries' end date depends on Paul Wesley and Ian Somerhalder Julie Plec: "I finally realized that my destiny on this show, creatively, is tied in to Ian Somerhalder and Paul Wesley. And I mean that in a really good way. As long as those boys who I now consider my friends want to keep telling the story, then I won't walk away from telling the story."

Claire Holt (Rebekah) and Phoebe Tonkin (Hayley) previously worked together on another fantasy series, H2O: Just Add Water (2006).

Alexandra Chando auditioned four times for the role of "Elena Gilbert". She later went to get the role of Tara in the final season.

Stephen Amell (Brady) previously auditioned for the roles of Mason Lockwood and Elijah.

There is a spinoff of The Vampire Diaries called "The Originals," which is about The Original siblings (Klaus, Elijah, and Rebekah,) and takes place in New Orleans.

In season 8 ep1, Damon is reading Fifty shades of Grey, a role Ian Somerhalder was up for.

Stefan drives a 1963 Porsche 356B Karmann Coupe.

Vampire Diaries' last episode aired on the same day that Buffy the Vampire Slayer had premiered 20 years ago, to the very day.

Torrey DeVitto (Meredith Fell) previously auditioned for the role of Elena Gilbert.

Nathaniel Buzolic (Kol Mikaelson) previously auditioned for the role of Stefan Salvatore.

The pilot was shot in Vancouver but production of the series was moved to Georgia because of the state's tax credit incentives. Most of the filming takes place in the city of Covington.

Damon Salvatore drives a 1969 Chevy Camaro convertible.

Ashley Tisdale was offered an audition but turned it down.

James Van Der Beek was considered for the role of Alaric Saltzman.

Torrey DeVitto (Dr. Meredith Fell) is Paul Wesley's ex-wife, they worked together during season 3 and 4 (2011-2013). Later they filled the divorce

Phoebe Tonkin's second series appearing for the CW Network. Her first series for the CW was The Secret Circle (2011), also a supernatural teen drama, which immediately followed the The Vampire Diaries (2009) in the schedule line-up.

Neve Campbell was considered for the role of Isobel Flemming.

Nina Dobrev was born in Bulgaria and speaks Bulgarian. For this reason Katherine, who was German in the books, became Bulgarian in the series.

Michaela McManus (Jules) originally auditioned for the role of Rose.

In the book Elena's hair is blonde while in the series her hair is brown.

Nina Dobrev (Elena) & Paul Wesley (Stefan) both share Eastern European origins. Nina changed her last name from Dobreva to Dobrev while Paul changed his from Wasilewski to Wesley. Paul sought his family's approval before the name change in 2005.

The title card at the beginning of each episode was changed after the first season.

David Gallagher (Ray Sutton) previously auditioned for the roles of Damon Salvatore and Stefan Salvatore.

According to series producer/director Marcos Siega, The CW Television Network originally wanted to cast Ashlee Simpson in the role of Elena Gilbert.

Ian Somerhalder (Damon) and Daniel Gillies (Elijah) previously worked together in The Sensation of Sight (2006).

Both Ian Somerhalder and Paul Wesley have guest starred on CSI: Miami (2002). Ian in Season 2, Episode 5 "The Best Defense" and Paul in Season 3, Episode 5 "Legal."

Video/DVD includes Special Features: Into Mystic Falls: Bringing Vampire Lore and the High School Experience from Page to Screen; When Vampires Don't Suck (2010): The Popularity of Vampires and the Fans Who Love Them; The Vampire Diaries: A New Breed of Vampires - Casting the Series; The Vampire Diaries: Vampires 101 - The Rules of the Vampire; Creators/Director Pilot Commentary; Unaired Scenes; The Vampire Diaries: A Darker Truth Webisodes; Second Bite: Gag Reel.

In season 2 episode 14 Elijah uses the last name 'Smith'. The author of the book series last name is Smith.

Although Nina does not appear in season 7 her voice is used to call Damon.

In the books: Elena Gilbert has very blonde hair and blue eyes. When watching auditions, the directors made an exception for Nina Dobrev seeing as she was amazing at the part. Caroline is portrayed as Elena's enemy. Instead of having a younger brother, (Jeremy), Elena has a 4 year old sister named Margaret, and instead of Aunt Jenna, Elena's aunt is named Judith.

Matt Donovan as we know him is actually named 'Matt Honeycutt', in the books. Vicki Donovan is 'Vicki Bennett', and they're not related in the books.

Paul Wesley [Stefan] and Phoebe Tonkin [Hayley] dated for a few years

Jack Coleman guest starred as Caroline's gay father Bill Forbes. He is best known for the role of Steven Carrington in Dynasty, which was a controversial role at the time due to Steven's homosexuality.

In the novel, Caroline Forbes got pregnant by Tyler. They had twin werewolves. However in the series Caroline is a surrogate mother to twin siphoned-witches.

Candice Accola's pregnancy had to be written into the show. Since Caroline is a vampire she can't get pregnant, so the writers wrote that the Gemini coven transfered Jo's and Alaric's twin babies into Caroline when Jo died.

In the book Stefan dated Caroline first. He is avoided Elena because she looks like Katherine.

In the book Elena has a four year old sister named Margaret whereas in the show she has a younger brother who is actually her cousin .

Nina Dobrev has played four doppelgängers in the series : Elena, Katherine, Amara and Tatia (Seen In A Flashback Episode Of The Original) .

It is stated early in the show that Stefan would have liked to be a doctor. In late season 5 Stefan's human doppelganger is revealed to be a paramedic.

In season 1 episode 10, Caroline talks about being interested in broadcast journalism. In season 7 when the show jumps three years forward, it is shown that she has become a news producer.

Ian Somerhalder (Damon Salvatore) and Nina Dobrev (Elena Gilbert) also dated in real life from 2010 to 2013.

Book: The Salvatore brothers are from Italy and were born in the late 15th century. Tv Series: The brothers are from Mystic Falls and became vampires during the civil war.

Annie Wersching plays Damon Salvatore and Stefan Salvatore's mother but is one year and eight months older than Ian Somerhalder and five years older than Paul Wesley. But she became a vampire when they were children so the age difference in real life makes sense.

In the pilot, Caroline tells Bonnie all that she found out about the "new kid" Stefan and concludes with "we're planning a June wedding." In season 8, Caroline is planning a June wedding for her and Stefan following his proposal in episode 2.

Zach Roerig (Matt Donovan) and Candice King (Caroline Forbes) also dated in real life from 2011 to 2012.

In The Originals, Tyler Lockwood was cemented by Rebekah Mikaelson in the underground cellar but in The Vampire Diaries, he was killed by Damon Salvatore.

In the book Stefan is renting in a boarding house, but in the series they owned the boarding house.

Michael Malarkey (Enzo) is sitting playing the guitar in Season 7, episode 2 when Lily Salvatore talks to him. In actual fact the tune that he is playing is the song 'scars' which Michael Malarkey has actually released as a song. The song plays again over the end scene of Season 8, episode 8 when Stefan attacks all the people in the hospital when his humanity is off.

In the vampire diaries episode eight of season one, Lexi (one of Stefen's friend) Said "I was feeling epic". The final episode was called "I was feeling epic" and this was said when they both finally met each other again.

Julie Plec and Kevin Williamson originally wanted the story to end with both brothers dying and watching over Elena as she lived a peaceful human life.

Even thought Damon and Elena finally reunite in the series finale, they are never seen sharing any dialogue between each other in any of their scenes.

All three main cast actors have left the series so far: Steven R.McQueen (Jeremy Gilbert), his on screen sister/cousin Nina Dobrev (Elena Gilbert) and Michael Trevino (Tyler Lockwood) left after season 6 ended (2015).

Nina Dobrev leaves the series in Season 6