Season 1

01 Darkness Rising (1) Episode 126th November 2010 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. 02 Darkness Rising (2) Episode 226th November 2010 The Autobots go in search of Cliffjumper, whose life signal is weak and find Megatron wielding the dangerous dark Energon. 03 Darkness Rising (3) Episode 31st December 2010 Bulkhead is unknowingly shadowed by Miko as he goes to rescue Agent Fowler, who was kidnapped by the Decepticons. 04 Darkness Rising (4) Episode 42nd December 2010 The Autobots try to stave off an attack from Megatron's Terrorcons to protect their human wards. 05 Darkness Rising (5) Episode 53rd December 2010 The Decepticons and the Terrorcons go into battle against the Autobots. 06 Masters & Students Episode 611th February 2011 Starscream pursues other interests while Skyquake battles with Optimus Prime and Bumblebee. 07 Scrapheap Episode 718th February 2011 Scraplets invade HQ while Optimus and Arcee patrol the Arctic, leaving Bumblee and Ratchet to repel the enemy. 08 Con Job Episode 825th February 2011 Bulkhead awaits a visit from his buddy Wheeljack, but his arrival does not go as planned. 09 Convoy Episode 94th March 2011 The Autobots are attacked while helping Agent Fowler transport an implosion device. 10 Deus Ex Machina Episode 1011th March 2011 Miko and Bulkhead go up against Starscream and Breakdown as they go to Greece to retrieve an Energon Harvester. 11 Speed Metal Episode 118th April 2011 Jack tries to be impressive, with Bumblebee's help, but Knockout's arrivals sends things out of control. 12 Predatory Episode 1215th April 2011 Arcee must protect Jack when a routine mission is complicated by Airachnid's arrival. 13 Sick Mind Episode 1329th April 2011 A Decepticon plague infects Optimus Prime, so Arcee and Bumblebee sneak onto the Nemesis to find the cure. 14 Out of His Head Episode 147th May 2011 Megatron controls Bumblebee from inside his mind and influences his behavior at HQ. 15 ShadowZone Episode 1514th May 2011 The kids are stranded with Skyquake in an alternate dimension during a GroundBridge malfunction. 16 Operation: Breakdown Episode 1618th June 2011 MECH agents capture a Decepticon, and the Autobots mount a rescue. 17 Crisscross Episode 1725th June 2011 Airachnid makes a deal with Silas to get revenge against Arcee and Jack. 18 Metal Attraction Episode 189th July 2011 The Autobots try to claim a magnetic weapon before the Decepticons get to it. 19 Rock Bottom Episode 1916th July 2011 Two patrolling Autobots end up trapped in a cave with their enemies, Starscream and Megatron. 20 Partners Episode 2023rd July 2011 Starscream makes an unexpected request after he is captured by Optimus. 21 T.M.I. Episode 2110th September 2011 Bulkhead acquires a top-secret formula, and the Decepticons come after him for it. 22 Stronger, Faster Episode 2217th September 2011 Ratchet becomes a threat to everyone after he injects himself with an experimental substance. 23 One Shall Fall Episode 2324th September 2011 The Decepticons quickly try to build a space bridge before a prophesied darkness arrives. 24 One Shall Rise (1) Episode 241st October 2011 Earth has an outbreak of natural disasters, caused by Dark Energon. 25 One Shall Rise (2) Episode 258th October 2011 The Autobots acquire a surprising ally in their battle to save Earth. 26 One Shall Rise (3) Episode 2615th October 2011 The Autobots go to the Earth's core to fight for the planet; and Jack uncovers info about Optimus' background.