Bumblebee is given a mission to Earth by a vision of Optimus Prime. Bumblebee and his team must track down the Decepticons that have been set free on Earth and prevent them from causing any harm.
Overloaded - Part 1: The Autobots split into two teams: one facing an old foe of Bumblebee's and the other a Decepticon in the polar wastes. (S2, ep 1)
Overloaded - Part 2: With an old score to settle, Bumblebee insists on taking on Overload alone. A weakened Optimus learns to contribute in ways other than combat. (S2, ep 2)
As Steeljaw learns of a community of Decepticons, Grimlock and Strongarm struggle to improve their teamwork as they face Saberhorn. (S2, ep 3)
After a mistake in the field, Strongarm takes herself out of action just when the team needs her most. (S2, ep 4)
Windblade's concern for Optimus' wellbeing may be critical for the entire team when they run up against Razorpaw. (S2, ep 5)
Grimlock forgets how to fight when he downloads a huge amount of data into his brain and overwrites his combat instincts. (S2, ep 6)
More hints about Decepticon Island are revealed when Steeljaw invades the Scrapyard with a plan. Meanwhile, Bumblebee, Grimlock and Strongarm confront Scorponok. (S2, ep 7)
Bumblebee hopes for a quiet evening away from the Scrapyard but finds action and danger when Bisk attacks the arena he is attending. (S2, ep 8)
Grimlock's quest for an effective disguise goes into overdrive when Quillfire returns. Bumblebee and Strongarm find themselves stuck in an impound lot. (S2, ep 9)
Fixit's efforts to repair the GroundBridge go horribly awry, summoning two of the most legendary and fearsome Decepticons to the Scrapyard. (S2, ep 10)
Trying to show how effective they are without their teacher's direction, Slipstorm and Jetstorm inadvertently put Drift in harm's way. (S2, ep 11)
Decepticon Island - Part 1: With the Bee Team and the Away Team reunited, the Autobots locate and investigate Decepticon Island. (S2, ep 12)
Decepticon Island - Part 2: Badly outnumbered and trapped on Decepticon Island, the Autobots desperately search for a way to take out Steeljaw and his army of fugitives. (S2, ep 13)