Optimus gets 'the talk' (2008)
the Transformers take part in a fighting tournament hosted by robot catgirls. (2004)
G1 Jetfire/Shockwave commercial, featuring a rare appearance by Jetfire's original animation model. (1985)
the European release of the 1986 movie opens with a Star Wars-style title crawl. (1986)
Spike says 'shit' in the 1986 movie, for no other reason than to get the movie a PG rating. (1986)
promotional trailer for the 1986 movie, featuring a whole bunch of footage that isn't in the final film....and Ultra Magnus in his Diaclone colours. (1986)
the French dub of the 1986 movie makes Starscream and Shrapnel female.
the backlash to Optimus Prime's death in the 1986 Transformers movie is so strong that the G.I. Joe movie is redubbed so that Duke merely goes into a coma and doesn't die. (1987)
Galvatron quotes the '86 movie, and Optimus isn't having any of it. (2016) (a meta-jab at how often newer Transformers media often reference or directly quote the movie)
due to the 1986 movie not being released in Japan, animators are unaware that Prowl and Wheeljack are both supposed to be dead, and put them in Headmasters and Victory respectively. (1987) (1989)
Dan Reed draws Arcee from behind, horny on main. (1988) man years later, Don Figueroa draws Arcee from behind, also while horny on main. (2006)
Megatron says "Go To Heck" (2021) twitter.com/SabbyNightmare…
this scene airs on television. (1985)
Megatron builds a giant purple griffin. (1985)
the G1 episode "Five Faces Of Darkness" originally had a subplot where Shockwave would be forced to ally with the Autobots to save Cybertron. His role in the final episode was taken by Blitzwing instead due to Bltizwing being the newer toy. (1986)
the final episode of Cybertron adds in two extra shots that weren't in the original Galaxy Force episode, bookending the Unicron Trilogy. (2006)
Optimus returns in Transformers Go as a triple-changing bullet train/dragon. (2013)
in the Headmasters episode "Ultra Magnus Dies!!", Ultra Magnus dies after standing around and letting Sixshot shoot him like a hundred times. (1987)
Kup, Blurr and Arcee stand around and do nothing while Rodimus gets his ass beat by Galvatron. (1987)
Galvatron is killed by the power of Friendship. (1987)
Overhaul shoots a lot of white liquid from his groin. (2005)
IDW publishes an entire storyline making fun of how Cliffjumper looks like Bumblebee. (2020)
in "Megatron's Master Plan", Trailbreaker singlehandedly saves the entire Autobot army from dying horribly with his forcefield powers. Trailbreaker doesn't have a single line of dialogue in this episode. (1985)
the Autobots get turned into humans after running afoul of a suspiciously-familiar-looking human villain. (1986)
Starscream Keroro ver, a redeco of Movie Legends Starscream resembling, Keroro (Sgt Frog), is released to promote a Keroro x Transformers one-shot manga.