Arcs 11-16: The Unicron Battles

The Chaos Bringer is discovered to be in the center of Mobius and has every intention to spread the gospel of darkness. It’s up to the Autobots, Decepticons, and their respective allies to put aside their differences to defeat Unicron. Thankfully, they have people from a time where Unicron won to help prevent that ghastly future from coming to pass.

Arc 11: Seconds of Speed
Arc 12: Seven Lights of the Earth
Arc 13: Clearing the Air
Arc 14: Instruments of Destruction
Arc 15: The Second Journey
Arc 16: The Unicron Games