While the live-action movies haven't quite lived up to the 1986 moment, Transformers One came the closest in the scene where Orion Pax officially becomes Optimus Prime, giving hope to the future ...

Based on a Hasbro toy with its own built in lore, comics, and more, there was a lot to explore as far as the Transformers world went (and there had even been a 1986 animated Transformers film).