A stone circle, showing abnormal energon readings, is activated during a Predacon attack and attracts an alien probe. While investigating it, Optimus is disintegrated, leaving the Maximals bickering over who's in charge, while the Predacons prepare to attack.
Casts:
Garry Chalk, David Kaye, Colin Murdock, Scott McNeil, Ian James Corlett, Richard Newman, Venus Terzo, Jim Byrnes, David Sobolov, Campbell Lane