This is the most expensive Transformers film, having a budget of 260 million dollars.

This will be the second Hollywood movie to be shot in Cuba after The Fate of the Furious (2017). Coincidently, Tyrese Gibson played a major role in the first three Transformers movies, and the Fast & Furious franchise.

Michael Bay is a noted dog lover and cast Freya, a British dog with epilepsy that many homes had rejected, in the film.

Michael Bay said that this will be the last Transformers film he will ever direct, for the moment. He is open to doing more films in the future if he gets a good story.

The scenes of Sir Edmund Burton visiting 10 Downing Street were filmed at the actual office of the British Prime Minister in October 2016.

Released a decade after Transformers (2007).

Onslaught's original alternate mode in The Transformers (1984) was an anti-aircraft truck, but this was revised to a Western Star tow truck. His green color is an homage to the Autobot Tow-Line in Transformers: Robots in Disguise (2000), who was a green tow truck.

A physical prop of Sqweeks was built at Isabela Moner's request.

While shooting in England, Mark Wahlberg spent time at St Aidan's Church incognito, and made donations. No one knew anything until later on. Reverend Father Des McGiven said: "It's great that we had him in for the service, and appreciate his generosity towards our church."

Liam Garrigan (King Arthur) also played the character King Arthur in the television series Once Upon a Time (2011).

This is the second Michael Bay film to have a World War II setting, after Pearl Harbor (2001).

This film features the myth of King Arthur. Michael Bay was previously going to direct King Arthur (2004), and had worked on that film for five years, before leaving it due to budget issues.

Hot Rod's French accent was Michael Bay's idea, as he thought it would give Hot Rod a unique character.

Hot Rod is the second Lamborghini Transformer to appear after Lockdown in Transformers: Age of Extinction (2014). Generally each Transformer in these films has a unique vehicle mode.

Part of the film was shot at Stonehenge. Michael Bay requested to shoot an explosion on the location, but was denied, so he had a set of Stonehenge constructed to shoot the explosion.

The same year this film releases, Sir Anthony Hopkins plays Odin, the Norse god, in Thor: Ragnarok (2017). Frank Welker had previously played Odin in Avengers Assemble (2013).

Sir Anthony Hopkins is the third Marvel Cinematic Universe actor to star in a Transformers movie, after Hugo Weaving (Megatron in the first three films), and is the second actor from the RED comic-book movies to do so after John Malkovich (Bruce Brazos in Transformers: Dark of the Moon (2011))..

Many of the scenes were filmed in the north east of England, with several streets in Newcastle Upon Tyne brought to a standstill, while scenes were completed.

Hot Rod's alternate mode in The Transformers: The Movie (1986) and The Transformers (1984) was a concept car and a Ford GT, but this was revised to a Citro├źn DS and later a Lamborghini Centenario.

Writer Matt Holloway is a fan of the drama Downton Abbey (2010), and jokingly said that Jim Carter (who plays the butler Mr Carson in the show) should voice Cogman. He was shocked when Michael Bay got Carter on as Cogman.

This is Jim Carter's third live-action adaptation of a cartoon, after 102 Dalmatians (2000) and Alice in Wonderland (2010).

Megatron's design in this film pays homage to his lieutenant Cyclonus from The Transformers (1984). Both have horns on their helmets, and transform into Cybertronian shuttle jets.

Despite his seeming death during Transformers: Dark of the Moon (2011), the police car Decepticon Barricade returns, and has apparently survived up to the events of The Last Knight, with a completely new design, including a new vehicle mode.

Megatron has a new helmet design, based on his classic bucket-head look from The Transformers (1984). He was originally to have this helmet look in Transformers (2007), but the filmmakers decided it wasn't menacing enough, and passed the head design to Starscream.

The appearance of King Arthur and his Knights of Camelot is an homage to The Transformers: A Decepticon Raider in King Arthur's Court (1985), when time travel caused the Autobots and Decepticons to encounter Camelot-era knights, wizards, and a dragon.

The name of the Transformers' creator is Quintessa. In The Transformers (1984) Quintessa was the name of the homeworld of the Transformers' creators the Quintessons.

Blenheim Palace was decorated as a Nazi headquarters for the World War II scenes. This caused controversy among British war veterans, who protested that the palace was the former residence of war hero Winston Churchill, and didn't deserve such treatment; Michael Bay explained that this was part of the film, and Churchill's grandson Sir Nicholas Soames lambasted the British press for sensationalizing a mere film scene.

Bumblebee and Cogman are Headmasters, a Transformer that serves as a head for a larger robot.

Quintessa turns Optimus Prime into her minion. This is an homage to The Transformers: Dark Awakening (1986), where the Quintessons reprogrammed Optimus Prime to do their bidding.

Bulldog, the Mark IV tank Transformer, is based on the tank transformers Warpath from The Transformers (1984) (a slightly unhinged robot) and Blitzwing from Transformers: Animated (2007) (a robot who wears a helmet and monocle).

Cade and the Autobots use a junkyard as a base. This is a homage to Transformers: Robots in Disguise (2014), where the Autobots used a junkyard as a base with the help of its human owner.

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