The ultimate hunter is unleashed by the Decepticons. Luckily, a new Autobot joins the fray just in time.
The survival of Optimus Prime is in doubt after Megatron's destruction of the Autobot base on Earth, while the separated members of Team Prime try to reconnect after being scattered to the wind to prevent detection.moreless
While the Autobots continue their battle at the Earth's core, Jack learns more about Optimus' history on Cybertron.
The Autobots team up with a surprising ally to save Earth.
The Autobots discover that Dark Energon is responsible for Earth's recent natural disasters.
When the Autobots learn of the Decepticons' plans to build a Space Bridge, Optimus decides to face Megatron once and for all.
The Autobots and Decepticons race to claim a magnetic weapon. In the ensuing battle, the Bots are forced to fight while stuck together!