BD&DVD特典动画短篇。 第七話 一姫&バスケ編「滝園バスケ部のクリームパーティ!」
Some autobots are captured. The remaining Autobots team up with some rebels to free their friends, the rebels know all the weaknesses of their enemies machines. They merge with the Autobots to become Headmasters to free their friends.