due to the Transmetal Beast Wars toys not coming with any ranged weapons, the animators of the cartoon had to figure out on their own how to give them firearms while also incorporating aspects from the toys. (1998)
G1 Megatron gets a Transmetal upgrade, courtesy of Beast Wars Megatron messing around with his spark many years earlier. (2009)
Beast Wars Megatron fights G1 Optimus Prime (who he is somehow the same size as.) (2004)
Pay close attention during the final scene of the Beast Wars episode "Other Voices" and you can see Optimus Primal's remains flying towards the screen. (1997)
Dinobot and Airazor never speak to each other throughout the entirety of Beast Wars. Not once. (1996-1997)
in the Japanese dub of Prime, Shockwave says "Shock" a shockingly whole lot. (2012)
After years of troubled development, The Transformers Universe MMO (which would have been an alternate universe take on Transformers Prime) is shut down while still in open beta. (2014)
Btw, the 'real' reason Ironhide died in DOTM, was apparently because the GMC Topkick had been discontinued in 2009, and GMC was no longer interested in supplying the vehicle to the studio. twitter.com/TF_Moments/sta…
in the DOTM comic adaptation, Sentinel remarks that he "never really liked (Ironhide's) kind". In the movie's prequel comic, it's explained that Ironhide was a "Thetacon", a kind of tribal Cybertronian. basically, Sentinel killed Ironhide because he's racist. (2011)
the infamous Armada "Built To Rule" line of construction toys, who look like that because they're all designed around the same "trans-skeleton". (2002-2003)
not bad for a last-minute addition to the movie that was added after the original cut of the movie had already been finished, eh? twitter.com/ScreenRogue/st…
in the most unrealistic scene in cartoon history, all of the world's governments agree to give the Autobots their energy. (1984)
Movie Long Haul began life as a fan design created by artist Josh Nizzi. it caught the eye of Aaron Archer and Michael Bay, who not only made the design canon in the sequel, but also hired Nizzi to work on the Transformers' designs for the four subsequent movies. (2008)
In The Last Knight, they reuse a shot from Revenge of the Fallen when Megatron is attacking a submarine and very briefly in TLK you can see the ROTF Megatron design in the sequence for no reason whatsoever. (2017) twitter.com/KingDiavolo_56…
Hasbro lost the trademark for the name "Bumblebee" for several years, meaning that new characters designed to be Bumblebee had to be called something else. (1996-2006)
centuries after the end of Beast Machines, Cheetor ascends and evolves to become the spiritual leader of Cybertron, Alpha Trizer. (2016)
the ending of the Dark Of The Moon novelisation, where Megatron and Optimus have a genuine truce. (2011)
John Goodman recorded his dialogue as Hound with a pen in his mouth to imitate the character's cigar-chomping. (2014)
the scene where Optimus scans his vehicle mode in the 2007 movie is extremely similar to a scene from TF Armada. (2007)
Bumblebee creates an Autobot sigil in the ground after stomping in it for 5 whole seconds. (2010)
the majority of voices in the Cyber Missions webseries was done by a mysterious, unknown man named Bronco D Jackson. (2010)
Jolt was a last-minute addition ROTF, added to the script during the infamous Writers' Guild strike. He only appears in robot mode in three scenes of the movie, has no lines whatsoever, and didn't appear in any tie-in material until a year after the movie's release. (2009)
unused concept for the three Arcee siblings' combined form. (2009)
in an alternate timeline where the Decepticons won in the 2007 movie, Unicron possesses Cybertron and attempts to gobble up the Earth. (2007)
Bumblebee regained his voice at the end of the 2007 movie, but Revenge Of The Fallen has him mute again. The tie-in comics explained that Starscream had attacked him and caused him to once again lose his voice. (2009)