Voir Transformers, The Complete First Season (25th Anniversary Edition) - Episode 8

Inspired by dinosaur skeletons, Ratchet and Wheeljack create Grimlock, Slag and Sludge...the Dinobots! After an introductory rampage that results in the near-destruction of Teletraan-1, the powerful but less intelligent Dinobots prove to be too dangerous and are deactivated. But when Autobot forces are captured by the Decepticons, it may be up to the Dinobots to save the day.