The Autobots split into two teams: one faces an old foe of Bumblebee's while the other confronts a Decepticon in the polar wastes.
Bumblebee continues to chase after Overload with Grimlock and Strongarm not too far behind, while Optimus and his group continue to pursue Polarclaw.
While the team tries to apprehend a new Decepticon named Saberhorn, Strongarm and Grimlock try to recreate the teamwork Strongarm and Sideswipe had.
After making a mistake in the field, Strongarm removes herself from active duty just as the team contends with the Decepticon arsonists Crazybolt and Slicedice.
Windblade's concern for Optimus' well being puts the away team at risk as they battle Razorpaw and his Mini-Cons, Swelter and Glacius.
Grimlock attempts to make himself smarter by absorbing information from a Cybertronian data cylinder into his processor, but something goes wrong and puts the team at a disadvantage.
The team obtain more clues to Decepticon Island as Steeljaw has a clever plan to infiltrate the scrapyard. Bumblebee, Grimlock and Strongarm confront Scorponok, the leader of the island.
Bumblebee takes a night off to see his favorite band, but things get dangerous when Bisk attacks the stadium.
While Bumblebee and Strongarm are stuck in an impound lot, Grimlock's search for a better camouflage is running at full speed when Quillfire returns.
Fixit's attempt to carry out the ground bridge repairs leads two Decepticons (Soundwave and Laserbeak) from the shadowzone.
Slipstream and Jetstorm expose Drift to danger when attempting to prove that they can work effectively without him.
As the two Autobot teams are reunited, an old friend returns as they find the Decepticon's headquarters and that Steeljaw is leading a Decepticon guerilla army.
As the severely outnumbered Autobots fight to bring Steeljaw's army down, tensions rise between Bumblebee and Optimus, putting the whole world at risk.