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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.
First Air Date : Apr 22, 1996
Last Air date : May 07, 1999
Episode : 52 Episode
Season : 3 Season
Runtime: 30:14 minutes
Studio: YTV, Syndication
Country: Canada