Transformers One doesn't just change the history of Optimus Prime and Megatron, it also changes the original meanings of the names Autobots and Decepticons.

But when the adventure is over, the film has both a mid-credits and an end-credits scene. The mid-credits sequence features the payoff to a humorous gag that happened earlier in the movie. Moviegoers and longtime Transformers fans will definitely want to stay until the end of the closing credits because there's a big post-credit scene with major implications for potential future installments.