The children learn more about the history of the minicons and the war.

The massive Tidalwave joins the Decepticons, but is, seemingly, defeated in battle by Hot Shot and Blurr.

The kids try to gather the three Requiem Blaster minicons together.

Megatron sacrifices Starscream, leaving him to face the Autobots alone.

Hearing Megatron say he is nothing more than disposable cannon fodder, Starscream defects with the Star Sabre.

With Starscream's help, the Autobots infiltrate the Decepticon moon base.

Alexis tracks a minicon in the vicinity of Mars.

Starscream trusts Thrust and returns to the moon base.

Optimus and Jetfire attack the ship, but can't stop the Hydra Cannon being deployed.

Hot Shot insists they should take vengeance on the Decepticons.

While the Axalon chases the Decepticon ship, hundreds of minicons appear.

Hot Shot and Red Alert are sucked through a wormhole.

The 'Bots reach Cybertron to find Megatron (now calling himself Galvatron) already winning the war.

While the battle continues, Hot Shot goes to Cybertron to try to convince Galvatron of the impending danger.

Thrust joins Sideways by passing through a portal underground.

Starscream prepares to do whatever it takes to convince Galvatron the threat of Unicron is real.

As Unicron begins to awaken, Optimus and Galvatron decide to forgo their battle.

The only way to defeat Unicron is to wake the minicons inside him and attack from within as well as without.

The purpose and meaning behind the endless war is revealed.

Thinking Unicron is defeated, Galvatron and Optimus Prime resume their battle.