User Score: 308
Megatron looks to step up "Project Freedom" (the use of cloned creatures from earth's history) until the Predaking shows its true capabilities.
While the Autobots continue their battle at the Earth's core, Jack learns more about Optimus' history on Cybertron.
Optimus Prime rebels against Megatron and the Autobots try to get their leader back.
When the Autobots learn of the Decepticons' plans to build a Space Bridge, Optimus decides to face Megatron once and for all.
While Jack pairs off with a new Autobot partner, Megatron tries to keep Optimus from discovering the existence of a legendary weapon of the Primes, which could turn the tide of the war.
Knock Out unlocks a new power that allows him to control sound. Meanwhile, Starscream activates the stolen Red Energon and gains super speed. Will the Autobots be able to fight against these new super-powered threats?
The Autobots wage an all-out war against the Decepticon base.
The Autobots face off against the Decepticons for one last showdown.
Silas is given a new lease on life and approaches Megatron with a plan to join the Decepticon ranks.
When Smokescreen is captured by the Decepticons, he uses the opportunity to find out the location of the Omega Key. Will this help him locate the other stolen keys?
Bulkhead is trapped on the Decepticon Warship and amid dual tries on Megatron's life.
M.E.C.H. unveils their latest creation: Nemesis Prime, an evil twin clone version of Optimus Prime.
Autobots, Decepticons, Predacons and Predaking form an unlikely alliance to battle a resurrected Unicron.
Starscream and Knock Out collaborate to experiment on artificial energon, which could destroy the Decepticons and their ship.
The Decepticon Warship threatens humanity, and Raf, Jack and Miko are the only ones who can stop it.
Jack learns from Vector Sigma how to restore Optimus Prime's memories.
Megatron sends Dreadwing, Airachnid and Breakdown to investigate the trail of a potential Energon source, but what Airachnid doesn't know is that Dreadwing and Breakdown have actually been ordered to kill her for her treachery. She eventually catches wind of this and fights her way off into the woods. Upon arriving at an abandoned Energon mine, Airachnid encounters Starscream cowering from a large Insecticon. After using her abilities to control the creature, she contacts Megatron and tells him to come to the mine, planning to use the Insecticon to kill him so she can claim Decepticon leadership.moreless
Bumblebee starts to question his value to the team.
After Hardshell's attack on Bulkhead, Miko and Wheeljack embark on a quest for revenge.
Ratchet's devotion to the Autobots is tested when he believes that he has perfected the formula for synthetic Energon. But when Ratchet uses himself as the test subject, the synthetic Energon begins to alter his personality.
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.
Optimus Prime travels to Antarctica to hunt down the second relic, but while there he is confronted by Dreadwing and Starscream, and finds himself caught between shifting alliances.
With Optimus Prime having lost all memories of his life as a Prime and psychologically reverting back to his time before the war as Orion Pax, Megatron manipulates him into joining the Decepticons with the intention of using him to decipher records seized from Iacon. As the Autobots try to track Optimus Prime, Jack learns from Ratchet that the card key is connected to Vector Sigma and that they must find a way to get to Cybertron. They ultimately decide on using the Decepticon space bridge to return to Cybertron, but must locate it first. Starscream returns to theNemesisand manages to steal energon from the vault, but when a Decepticon walks his way, he hides in the closest room, where Orion is seen working. He immediately adresses him as Optimus Prime and aims his missiles at him.moreless
During a battle between Bulkhead and Breakdown, Breakdown is captured by Silas and his M.E.C.H. agents so they can dissect him to better understand Cybertronian biology. Figuring Megatron won't mount a rescue for a fellow Decepticon, Optimus Prime assembles his team to do so, much to Bulkhead's shock. Initially, he refuses to help his archenemy, but Miko convinces Bulkhead to go, so he can get a long awaited rematch against him. Bulkhead is first to find Breakdown and the two must work together to escape the savage M.E.C.H.moreless
Arcee and Wheeljack join forces, while June Darby and Agent Fowler get involved during a mission.
Megatron and Dreadwing head to Cybertron hoping to harness the power of the Primes by activating the Forge of Solus Prime. With their plan set in motion, the Decepticons hope to destroy Optimus Prime and the line of Primes forever.
While the Decepticons search for parts and equipment for their plans, the Autobots probe a prisoner for information on Megatron's plan.
Starscream once again offers up his allegiance to Megatron, much to the displeasure of Dreadwing.
With the Autobots still separated from each other, Wheeljack makes a desperate move.
The Autobots discover that Dark Energon is responsible for Earth's recent natural disasters.
The Autobots team up with a surprising ally to save Earth.
The team must handle the changes to the team and prepare for an attack from the Decepticon's cloned beasts.
The ultimate hunter is unleashed by the Decepticons. Luckily, a new Autobot joins the fray just in time.
Arcee and Bumblebee go deep into New York's "underground" in an attempt to beat Megatron to the next four lacon relics.
Ratchet reluctantly calls upon Wheeljack for back-up in his mission to retrieve the third Iacon relic. Upon arriving at the location, the two Autobots are confronted by Soundwave, but they get a one-of-a-kind opportunity when Soundwave's minion, Laserbeak, is disabled.
Starscream begins plotting his revenge against the newly revived Megatron by stealing a Dark Energon crystal with which he plans to resurrect Skyquake. But when Miko and the others follow the Autobots to Starscream's coordinates, the two competing GroundBridges get distorted and accidentally send the kids to another dimension where they can't be seen or heard by the Autobots. Unfortunately, a zombie Skyquake is also stuck in the Shadowzone with Miko, Raf and Jack, putting their lives in danger.moreless
Wheeljack returns to Earth in pursuit of Skyquake's twin, the Seeker known as Dreadwing. Wheeljack is still upset over Dreadwing's involvement in the death of fellow Wrecker Seaspray.While Bulkhead is naturally excited about seeing his best friend again, Optimus Prime quickly becomes frustrated with Wheeljack's aggressive ways and complete disregard for civilians.moreless
Bulkhead is faced with life-threatening danger during the last relic hunt.
The Autobots and Decepticons race to claim a magnetic weapon. In the ensuing battle, the Bots are forced to fight while stuck together!
The Autobots race to rescue one of their own while tracking down the Decepticon warship.
Bumblebee continues to struggle with his role on the Autobots team.
Megatron tries to persuade Ratchet to help him, while Optimus takes on the Predaking.
Agent Fowler has some explaining to do under the threat of military tribunal and Team Prime's termination.