Original Airdate: October 6th, 1985
Series: The Transformers - Season 2
Episode #34
Summary: In South America, Megatron unearths the ship which brought the Decepticons to Earth, and with it, a super fuel cell called the Heart of Cybertron. Only Perceptor, Bumblebee, and Brawn, shrunken to tiny sizes and placed inside Megatron, can stop the volatile cell from exploding and taking Earth with it.