Voir Transformers, The Complete First Season (25th Anniversary Edition) - Episode 11

With the help of a human scientist, the Decepticons have enslaved mankind through mind control to fight against the Autobots and generate enough power for Megatron's most sinister plan: bringing Cybertron into Earth's orbit to steal all of its energy. Now Optimus Prime must choose between the salvation of his home world and the planet he's come to protect.