401
Skywarp killed half the population of Beijing.
Or at least, he claimed to. (2009)
402
According to Vector Prime, every single animation error you saw in the G1 cartoon was the result of a time-space anomaly. (2015)
403
Scavenger kills Prowl in a single shot. (1986)
404
Ratchet is absolutely flabbergasted by Wheeljack's shit. (1985)
405
when the the first episode of Prime was re-aired, the Autobot symbol in the Bots' base was changed from the live-action movie one to the classic one. (2011)
406
The Decepto-Pack, a plastic dress up set for children. (1985)
407
the pilot episodes of the G1 cartoon have all the Autobots be able to fly, which was subsequently dropped in the series proper. (1984)
409
More Than Meets The Eye pt 3 very briefly animated Optimus with exaggerated, 'puffy' proportions.
This was due to mecha designer Masami Ōbari being contracted to work on parts of the episode, with his signature artstyle seeping in. (1984)
410
The name of the Decepticon ship that eventually became their undersea headquarters went nameless for 25 years. It was retroactively called the Victory in the Transformers: The Complete Ark reference book.
411
according to Teletraan 1, Rumble is red. (1984)
412
Spike is allowed do work on an oil rig despite being a literal teenager. (1984)
413
the Combaticons (all of them) drive down the world's largest street. (1986)
414
the Combaticons form a robot pyramid. (1986)
415
Galvatron and Soundwave hold hands while flying. (1986)
416
this Peruvian girl from the G1 episode "Fire on the Mountain" has the honour of being the first female character to have a speaking role in the cartoon. (1984)
417
Brawn the dumbass doesn't notice Laserbeak sitting on his shoulder. (1984)
418
Wheeljack's ears usually light up blue when he talks, but on occasion they're orange. (1984)
419
a news reporter named Hector Ramirez appears in G.I. Joe, Transformers, Inhumanoids and Jem, possibly implying that all the cartoons take place in the same universe. (1985)
420
Hoist is somehow able to ride inside Huffer. (1985)
422
Megatron sneaks into a lab by hiding in a gun case. (1985)
423
Devastator's head design varies over the course of the G1 cartoon. (1985)
425
'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)
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