Episode Title:Forever Is a Long Time Coming.Episode Description:The Quintessons construct a time machine to try to stop the Autobot Rebellion in the past, intending to change history forever. But when five of the Autobots are trapped in the past, the Autobots in the present are forced to work with the Quintessons to save the universe when their meddling with the past threatens to jeopardize the stability of reality itself. But can they succeed in rescuing their missing friends and returning A-3 (Alpha Trion), the leader of the Autobot Rebellion to his time?