Transformers: Generation 1

S03:E11 - Forever Is a Long Time Coming

The Quintessons hatch a vile plot to defeat the Autobots. Their aim is to try and stop the Autobot Rebellion in the past in their fiendish attempt to change history. But when five of the Autobots are accidentally sent to the past, the rest of the Autobots must rescue them and return A-3, the leader of the Autobot Rebellion to his own time.