the G1 episode 'Hoist Goes Hollywood' misspells Tracks' name as 'Trucks'. it's unknown if this was a legit spelling error or an extension of the running gag from the episode where the director constantly gets Hoist's name wrong. (1985)
The pop idol cassette Transformer Rosanna, from Kiss Players. Her name and colours were decided by moe idol Lyrian, who also voiced her in the Kiss Players radio show. (2006)
Spike is allowed do work on an oil rig despite being a literal teenager. (1984)
Skywarp killed half the population of Beijing. Or at least, he claimed to. (2009)
the Generations deluxe Stealth Bomber Megatron was re-released with a new head in The Last Knight as that movie's Megatron. (2017)
Optimus totally doesn't forgive the two humans who started the Hate Plague. (1987)
Bumblebee appears as a DLC character in "Bike Rider 3: Time Rider" for 3DS, alongside the likes of Shuriken Sentai Ninninger, Crayon Shin-Chan, and Hatsune Miku. (2015)
robot mode pics of Buzzworthy Hatchet and Hound were officially revealed by Hasbro on October 2022. Since then, there have yet to be any word on when they will be released, or even what their alt modes look like.
None of the toys of live-action Triple Changers Drift, Shatter and Dropkick can actually triple-change, due to limitations posed by the complexity of the movie designs. (2014- )
an extremely rare Kreon Optimus plush. (2015)
Skids REALLY enjoys getting washed. (1986)
'Heavy Metal War' ends with the Decepticons all falling into lava, and Megatron declaring 'we will rise again', presumably done in case the show ended there. It is never shown how they got out of the lava at the beginning of Season 2, with them appearing as per normal. (1984)
To promote Transformers: The Last Knight, Frank Welker and Peter Cullen were interviewed by a Youtuber whose channel focuses on Mezican Zumba dances. (2017)
Hearts Of Steel Scourge turns into a blimp. (2006)
Transmetal Waspinator's vehicle mode resembles an F-15 Eagle, evoking Starscream, who possessed him in the show. whether this was an intentional nod or a mere coincidence is unknown. (1998)
The Lost Light crew find themselves in Swerve's mind, within a holomatter replica of Earth constructed out of sitcom tropes. (2015)
Episode 12 of Cyberverse features the one and only human character to appear in the entire show. (2018)
the unreleased DOTM Blaster figure. (2011)
an Animated version of RID Optimus Prime/Fire Convoy cameos in one of the Animated storybooks. (2008)
to promote the then-upcoming airing of "The Return Of Optimus Prime", 'Dark Awakening' was re-broadcast with a new ending narration. (1987)
Diego Garcia, whose native inhabitants were forcibly expelled by the British military, is used as the Autobot base. (2009)
the Costco-exclusive version of Armada Optimus and Overload. (2004)