26 episodesFirst aired 26 November 2010
E1Nov 201022m
The Autobots go on alert as the Decepticons return to Earth in the series opener, Meanwhile a group of humans find themselves with new caretakers after stumbling into the middle of the Autobot conflict with the Decepticons.
E2Nov 201021m
The Autobots go in search of Cliffjumper, whose life signal is weak and find Megatron wielding the dangerous dark Energon.
E3Dec 201021m
Bulkhead is unknowingly shadowed by Miko as he goes to rescue Agent Fowler, who was kidnapped by the Decepticons.
E4Dec 201021m
The Autobots try to stave off an attack from Megatron's Terrorcons to protect their human wards.
E5Dec 201021m
The Decepticons and the Terrorcons go into battle against the Autobots.
E6Feb 201121m
Starscream pursues other interests while Skyquake battles with Optimus Prime and Bumblebee.
E7Feb 201121m
Scraplets invade HQ while Optimus and Arcee patrol the Arctic, leaving Bumblee and Ratchet to repel the enemy.
E8Feb 201121m
Bulkhead awaits a visit from his buddy Wheeljack, but his arrival does not go as planned.
E9Mar 201121m
The Autobots are attacked while helping Agent Fowler transport an implosion device.
E10Mar 201121m
Miko and Bulkhead go up against Starscream and Breakdown as they go to Greece to retrieve an Energon Harvester.
E11Apr 201121m
Jack tries to be impressive, with Bumblebee's help, but Knockout's arrivals sends things out of control.
E12Apr 201121m
Arcee must protect Jack when a routine mission is complicated by Airachnid's arrival.
E13Apr 201121m
A Decepticon plague infects Optimus Prime, so Arcee and Bumblebee sneak onto the Nemesis to find the cure.
E14May 201121m
Megatron controls Bumblebee from inside his mind and influences his behavior at HQ.
E15May 201121m
The kids are stranded with Skyquake in an alternate dimension during a GroundBridge malfunction.
E16Jun 201121m
MECH agents capture a Decepticon, and the Autobots mount a rescue.
E17Jun 201121m
Airachnid makes a deal with Silas to get revenge against Arcee and Jack.
E18Jul 201121m
The Autobots try to claim a magnetic weapon before the Decepticons get to it.
E19Jul 201121m
Two patrolling Autobots end up trapped in a cave with their enemies, Starscream and Megatron.
E20Jul 201121m
Starscream makes an unexpected request after he is captured by Optimus.
E21Sept 201121m
Bulkhead acquires a top-secret formula, and the Decepticons come after him for it.
E22Sept 201121m
Ratchet becomes a threat to everyone after he injects himself with an experimental substance.
E23Sept 201121m
The Decepticons quickly try to build a space bridge before a prophesied darkness arrives.
E24Oct 201121m
Earth has an outbreak of natural disasters, caused by Dark Energon.
E25Oct 201121m
The Autobots acquire a surprising ally in their battle to save Earth.
E26Oct 201121m
The Autobots go to the Earth's core to fight for the planet; and Jack uncovers info about Optimus' background.