Transformers: The Headmasters

Transformers: The Headmasters aired from July 3, 1987 to March 28, 1988 and marks the departure of the Japanese from the US continuity. The Japanese aired this 35 episode series instead of the Season 4 "Rebirth" episodes seen in the US.

In Headmasters, Galvatron leads a fresh assault against the Autobots with a group of warriors called headmasters. The Autobots are overwhelmed by this new threat until the arrival of Fortress Maximus and the Autobot headmasters. With these new reinforcements, the Autobot-Decepticon civil war begins anew.