Megatron causes his fellow Decepticons to be infected with the deadly Cosmic Rust. Perceptor is captured to find a cure and he does, learning that element X will do the job. The Decepticons are cured, but then they use Perceptor to spread the Cosmic Rust to the Autobots and element X is in short supply.
Casts:
Peter Cullen, Frank Welker, Richard Gautier, Jack Angel, Susan Blu, Corey Burton, David Mendenhall, Victor Caroli, Stan Jones, John Stephenson, Dan Gilvezan, Michael Bell, Neil Ross, Steve Bulen, John Moschitta Jr., Johnny Haymer, Jered Barclay, Stan Jones, Stephen Keener, Christopher Collins