The Autobots discovers that the Decepticons are trying to make a new weapon with the energy from the center of the Earth, controlled by a gem in a pyramid in Peru. The Autobots needs some backup from their old friend Skyfire.
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