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.
Elenco: Frank Welker , Peter Cullen , Jack Angel , Corey Burton , John Stephenson , Dan Gilvezan , Casey Kasem , Don Messick , Scatman Crothers , Brad Garrett , Aron Kincaid , Ed Gilbert , David Mendenhall , Hal Rayle , Jim Cummings , Neil Ross , Morgan Lofting , Peter Renaday , Regis Cordic , Victor Caroli , Michael Bell , Gregg Berger , Arthur Burghardt , Ken Sansom , Chris Latta , Clive Revill , Michael Horton .