The Quintessons trick the Decepticons into releasing the dangerous Trans-Organics. One of them, the Dweller, begins taking control over Autobots and Decepticons alike.
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