Transformers Prime

With their base destroyed, the Autobots and their human companions have separated and gone into hiding, while the Decepticons send their forces to hunt down and destroy them. Meanwhile, Optimus struggles to survive after being injured during Megatron's attack on Earth.

As the Autobots try to re-group, Shockwave arrives in Darkmount after years of isolation on Cybertron, and is welcomed back into the Decepticon ranks. Wheeljack escapes from Darkmount and sets off to rendezvous with Bulkhead and Miko, unaware that Starscream has planted a tracking device on him.

After Starscream's armada fails to apprehend Wheeljack, Shockwave introduces Predaking, an enormous reptilian creature created in Shockwave's laboratory and specially bred to hunt down Autobots. Meanwhile, high-ranking Autobot general Ultra Magnus arrives on Earth and sets about reuniting the scattered members of Team Prime.

The Autobots attack Darkmount in an attempt to disable its firepower to allow human military to destroy it. As Optimus prepares to join with the Allspark, Smokescreen uses the Forge to repair him, and makes him a new, more powerful body.

The Autobots adjust to new group dynamics within their expanded team and Optimus Prime scans a new vehicle form, but Smokescreen privately starts to regret not becoming a Prime. The Decepticons, having found fossilized Predacon bones on Earth, launch a scheme to clone an army of Predacons through the same method that created Predaking.

Ultra Magnus, Wheeljack, Bulkhead and Miko are in the wilderness of The Hebrides Bluffs in Scotland investigating a Decepticon excavation site for Predacon fossils, but tension builds between the group as Wheeljack acts recklessly and ignores Magnus's commands. On the Nemesis, Starscream is given the task of training Predaking, but he struggles to get the uncooperative beast to follow orders. Meanwhile, Miko gets her hands on the Apex Armor.

While Arcee and Wheeljack are on a mission to gather a Predacon bone, Agent Fowler and June collect another bone in storage at a museum. As they leave, Knock Out captures them and holds them hostage in the trunk of his vehicle mode, but soon finds that he is unable to call for a Ground Bridge because the communications systems on the Nemesis are damaged by Predaking.