Beast Wars: Transformers

Two spaceships, one manned by benevolent Maximals, the other by evil Predacons, crash-land on a pre-humanoid planet while en route to Earth. Their crews assume indigenous animal forms to protect themselves from an overabundance of natural energy, transforming into robots to do battle. Thus, the Beast Wars have begun...

Keywords: time travel, based on toy, dinosaur, nostalgic, transforming robot