The Autobots plan a return to Cybertron after seeing no sign of the Decepticons.
The Decepticons believe they have defeated the Autobots — but not so fast.
Team Hot Rod dives deep into Cybertron to find the Well of the AllSpark.
Soundwave attacks as Bumblebee and Cheetor try to restore the AllSpark.
Hot Rod struggles to free his friends, who are stuck in a time loop.
Dead End discovers the Quintessons have taken control of Cybertron.
Hot Rod makes another attempt to pull Optimus out of the loop.
Perceptor reveals to the others they've been hiding inside a Titan all along.
The resistance team tries to rescue Windblade in order to wake the Titan.
Soundwave and Hot Rod fight over who should lead the resistance.
The team makes their way to the Quintesson scientist who's responsible for the loop.
The Autobots and Decepticons join forces to try and destroy the Quintesson tower.
The alliance begins their attack — but Megatron has a different plan.
To everyone's horror, Starscream returns as one of the Quintesson judges.
Windblade and Maccadam attempt once more to awaken the Titan to help them.
The Quintessons unleash their own Titan, Croaton, to fight Iaconus.
A surprise ally emerges to aid in the fight against Croaton and Judge Starscream.
Bumblebee sneaks onto Decepticon territory to look for Windblade.
Chromia and Bumblebee travel to Crystal City and meet a new ally, Thunderhowl.
A mysterious stranger comes looking for Optimus, seeking revenge.
Bumblebee asks a TV star to help him find one of Windblade's psychic shards.
Grimlock and Bumblebee discover a huge underground city made of Energon.
Rachet and Rack'n'Ruin go on a mission to rescue an injured Jetfire.
Maccadam tells Optimus that he must destroy Megatron's Matrix of Leadership.
Optimus leads the Autobots onto Decepticon territory to find Megatron.
An alternate reality version of Megatron appears, seeking to recover its Matrix.
The Autobots and Decepticons celebrate a peace treaty but during the ceremony, an energy wave freezes the entire planet of Cybertron in time.
Megatron's leaderless Decepticon soldiers fight a civil war amongst themselves, dragging their newly allied robot brethren into the conflict.