when Starscream turns into an Angel, Optimus coats himself in the colors of EVA Unit 01 to fight back. (2014)
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…
Animated Lockdown's hook and Grimlock's club turn up as Easter Eggs in Ben 10 Omniverse, trophies collected by bounty hunter Kyber. (2012)
Mickey Mouse Transformers are released as part of the Disney Label toyline. (2009)
The courthouse from Back to the Future turns into a Decepticon. (2021)
Darth Vader fights Optimus Prime while Luke Skywalker fights Megatron. (2006)
The U.S.S Enterprise transforms into Fortress Tiberious. (2018)
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 Eggspark lands on Piggy Island and turns the Flock and the Bad Piggies into the Autobirds and Deceptihogs. (2014)
Gozer the Gozerian has Starscream choose the form of the destructor. (2019)
Skywarp becomes a Real American Hero. (2016)
Ratchet defeats Ms. Marvel with an airbag. (2007)
the ending of the New Avengers/Transformers crossover implies that the Avengers' Quinjet is actually Ramjet. (2007)
concept art for an unproduced Justice League/Transformers crossover. (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)
Spike's harem. (2011)
Dinobot eats his own clone. (1996)
Grimlock laughs. (1986)
Soundwave laughs. (1985)
humanity builds a memorial for Optimus Prime before he's even dead. (1986)
Galvatron stares down his own cannon barrel. (1987)
Scourge, mutated by the powers of the Matrix, transforms. Badly. (1987)
Shockwave rides Starscream. (1986)
Optimus has sexy time with Elita One. (1985)