Grimlock laughs. (1986)
Dinobot eats his own clone. (1996)
Spike's harem. (2011)
Peter Cullen was initially unavailable during the recording of the G1 episode "Countdown To Extinction". As such, Chris Latta stood in as the voice of Optimus Prime, with Cullen dubbing over the lines later. (1984)
concept art for an unproduced Justice League/Transformers crossover. (2011)
the ending of the New Avengers/Transformers crossover implies that the Avengers' Quinjet is actually Ramjet. (2007)
Ratchet defeats Ms. Marvel with an airbag. (2007)
Skywarp becomes a Real American Hero. (2016)
Gozer the Gozerian has Starscream choose the form of the destructor. (2019)
the Eggspark lands on Piggy Island and turns the Flock and the Bad Piggies into the Autobirds and Deceptihogs. (2014)
Skynet stops the Transformers' war on Earth from ever happening by destroying the Ark and killing Megatron, leaving the surviving bots to reluctantly form a truce. (2020)
The U.S.S Enterprise transforms into Fortress Tiberious. (2018)
Darth Vader fights Optimus Prime while Luke Skywalker fights Megatron. (2006)
The courthouse from Back to the Future turns into a Decepticon. (2021)
Mickey Mouse Transformers are released as part of the Disney Label toyline. (2009)
Animated Lockdown's hook and Grimlock's club turn up as Easter Eggs in Ben 10 Omniverse, trophies collected by bounty hunter Kyber. (2012)
Derrick Wyatt also one came up with what a Cybertronian form for Ben 10 would look like, "Decimus Prime" This is non-canon to both franchises ofc, but it's still awesome. twitter.com/TF_Moments/sta…
when Starscream turns into an Angel, Optimus coats himself in the colors of EVA Unit 01 to fight back. (2014)
Mazinger Z vs Transformers. Yup. (2019)
when Megatron and Cobra Commander steal the Matrix, the Autobots receive help from ponies firing Nerf Guns. Mr Potato Head attempts to help the villains escape. (2017)
both Linkin Park and J. Balvintron have their own G1 Soundwave. (2013) (2021)
movie Optimus appears as a super in the Chinese fighting game Ding Dong Never Die.
Transformers-themed cards for Magic The Gathering.
thanks to the Collaborative line, the X-Men's Blackbird, the T-Rex from Jurassic Park, Tom Cruise's jet from Top Gun, and Dracula are all Transformers. (2020)(2021)