Ten years after Transformers Energon, Cybertron is on the brink of destruction. In order to save their home planet, the Transformers must search the universe for the lost Planet Keys. These artifacts are said to unlock Cybertron itself, creating the greatest Transformer ever known. But while the heroic Autobots seek to save Cybertron, the evil Decepticons seek the power to rule the universe.

Episode 01 - Fallen
When Cybertron is threatened by a colossal black hole, Optimus Prime and the Autobots give the order to evacuate the planet. However, a mysterious stranger holds one last hope...

Episode 02 - Haven
With the help of their human friends, the Autobots construct a new headquarters on Earth, but will Megatron discover their secret base before it’s even finished?

Episode 03 - Hidden
Coby, Lori, and Bud try to help the Autobots maintain their disguises during their stay on Earth, but soon find that concealing their new friends is harder than they think. The real danger comes when an encounter with the Decepticons threatens to expose the Autobots!

Episode 04 - Landmine
Optimus sends Hot Shot and Red Alert to the Speed Planet to search for the first Cyber Planet Key, while Bud finds the Autobots’ first clue to the location of the Omega Lock. In the battle for the ancient artifact, the veteran Landmine pushes himself to the limit and beyond. Will he be able to hold off the Decepticons long enough to recover the Omega Lock?

Episode 05 - Space
On the Speed Planet, Hot Shot has no choice but to disobey Optimus when Decepticon thugs attack the innocent. Meanwhile, back on Earth, Bud cajoles Scattorshot into taking him on a trip into space, but adventure turns to terror when a stray missile sends them hurtling to the Earth!

Episode 06 - Rush
As the Decepticons close in on the Autobots’ Earth base, Hot Shot tries to learn more about the Cyber Planet Key from Clocker and Breakdown. They take him to one of Override’s favorite racetracks, and Hot Shot finds himself in a high-speed contest with Megatron!

Episode 07 - Speed
Starscream and Thundercracker lure Optimus Prime into a deadly trap, while Hot Shot undergoes some dangerous modifications in a desperate attempt to outrace Override and get the Cyber Planet Key. Will Hot Shot show his winning moves, or will he race out of control?

Episode 08 - Collapse
While Megatron searches for the Cyber Planet Key with brute force, the kids and the Minicons take time out for a little fun. The fun comes to an end, however, when the kids’ home town is threatened by massive earthquakes. If the Autobots can’t find a way to stop the cataclysm, a massive flood will wipe the city out of existence!

Episode 09 - Time
Red Alert becomes more and more concerned about the desperate measures Hot Shot is taking to beat Override. Back on Earth, Vector Prime and the kids travel to the Sahara in search of the Omega Lock, but they are attacked by the Starscream and Thundercracker. When Megatron arrives and threatens the kids, Vector Prime is forced to take desperate action.

Episode 10 - Search
The search for the Omega Lock heats up as the rest of the Cybertronian refugees join the search. However, the “civilian” Autobots may pay a heavy price when their cooperation puts them in the line of fire. Meanwhile, Megatron and Starscream confront the savage denizens of the Jungle Planet. The Autobots are hot on their heels, but a surprise attack leaves Trailbreaker stranded, alone on a ruthless alien world.

Episode 11 - Deep
While Trailbreaker and Megatron both try to convince the inhabitants of the Jungle Planet of their good intentions, the Autobots investigate yet another manifestation of the Atlantean symbol, this one at the bottom of the Caribbean Sea. The Devil’s Triangle holds many secrets, but does it also hold the ancient Omega Lock?

Episode 12 - Ship
In the heat of battle, Vector Prime is once again forced to use his powers in a desperate attempt to keep the Omega Lock out of Megatron’s clutches. Now Vector Prime, the Minicons, and the kids find themselves lost in space, aboard an ancient Cybertronian starship. Optimus Prime and the Autobots must find them before the Decepticons do, or their friends, and the Omega Lock, will be lost forever.

Episode 13 - Hero
Optimus and the team arrive on the Speed Planet to learn that Hot Shot has been disobeying orders, and Red Alert has been covering for him. Enraged, Optimus suspends both of them, and goes to meet Override himself. Her answer is the same: The only way to get the Planet Cup—and the Planet Cyber Key—is to beat her on the racetrack. The Autobots must place their trust in the injured Hot Shot… but Hot Shot’s deepest wounds aren’t physical…

Episode 14 - Race
As Hot Shot and the Autobots battle Ransack and Crumplezone in the first round of the race for the Speed Planet Cup, Starscream begins building his forces, and Lori and Bud uncover more clues to the Ancients’ prehistoric visit to Earth.

Episode 15 - Detour
As the race for the Speed Planet Cup continues, Hot Shot teaches Override something about the Autobots’ code of honor. Meanwhile, on the Jungle Planet, Overhaul once again faces Scourge… with surprising consequences!

Episode 16 - Savage
Coby helps Hot Shot train hard for the next leg of the Speed Planet championship race: A brutal off-road challenge full of sand traps and mud pits. Meanwhile, Optimus Prime and Vector Prime answer a mysterious distress call from the Jungle Planet—only to learn that Megatron and Starscream have answered the same call!

Episode 17 - Sand
The penultimate race in the Speed Planet Cup series is a grueling run over hot desert sands, with swirling vortexes that threaten to pull the racers under. Hot Shot has trained hard, but an all-or-nothing gamble lands him in a dangerous position—and one of his friends must make a terrible sacrifice to save him. Meanwhile, on the Beast Planet, the mysterious Sideways seems to be playing the Autobots and Decepticons against one another… but to what end?

Episode 18 - Champions
After the terrible injuries sustained in the last race, Hot Shot is in no condition to finish the championship on his own... so Coby must enter the race as Hot Shot’s driver! Can the Autobot team hold on ‘til the finish? More importantly, will the rightful winner of the Speed Planet Championship be able to claim their prize, or will Megatron seize it for himself?

Episode 19 - Ice
While investigating strange phenomena at the North Pole, the kids run into Professor Suzuki, who is taking part in a government project to research the same phenomena. Seeing her as a possible ally, Bud and Lori want to tell the Professor about the Transformers’ existence, but Coby isn’t so sure. Unfortunately, an attack by Starscream may make the discussion moot!

Episode 20 - Honor
In a confrontation with Megatron and Scourge, Megalion lets his temper get the better of him, and against Optimus’ direct orders, attacks Scourge. Scourge defeats him easily, but seems to have developed a grudging respect for the Autobot. The incident causes a rift between Optimus and Megalion, however... a rift that must be healed if the Autobots are to find the Cyber Planet Key and save the universe!

Episode 21 - Primal
The stage is set for the final confrontation between Scourge and Optimus Prime. The Autobot team arrives on the Jungle Planet, with Override representing the Speed Planet… and Lori representing Earth! The Decepticons plan a little welcome party for the Autobots, but they can only delay the inevitable final confrontation. Will it be a fight to the finish, or will Lori be able to talk some sense into Scourge?

Episode 22 - Trust
The Autobots try a desperate ploy to keep the Decepticons from stealing the Jungle Cyber Planet Key: Each pair of Autobots carries a decoy, and only Optimus knows who has the real chip. The galaxy’s fate may be decided in a colossal battle spanning all the terrains of the Jungle Planet. Meanwhile, at Earth’s North Pole, Professor Suzuki makes an astonishing discovery.

Episode 23 - Trap
With the awakening of the monster-hunting Autobot Smokescreen, the secret history of Earth and Cybertron begins to be revealed. The Polar anomaly draws the Autobots to a hidden cavern filled with terrifying ancient Decepticons—and into a deadly trap set by Starscream!

Episode 24 - Invasion
In an effort to find Earth’s Cyber Planet Key Starscream unleashes the monstrous ancient Decepticons. As Optimus and the Autobots battle the horde, together with newfound allies Smokescreen and Apache, it’s up to Coby, Lori, and Bud to prove to Colonel Franklin that the Autobots are the good guys!

Episode 25 - Retreat
When the Minicons rescue the kids from military custody, Sideways learns the location of the Autobots’ base. Soon every Decepticon in North America is descending on Coby’s home town. The Autobots realize that to protect the Cyber Planet Keys and the humans of Earth, there’s only one option: take the Omega Lock and abandon the Earth base.

Episode 26 - Revelation
Episode 27 - Critical
Episode 28 - Assault
Episode 29 - Starscream

Episode 30 - United
During the desperate final battle to destroy Unicron nearly ten years ago, Wing Saber and Optimus Prime became fast friends. It was within the depths of the planet-sized Unicron that they first discovered their ability to combine into the powerful Sonic Wing Mode. Since then, the two warriors have grown apart. Optimus is a born leader, committed to leading the Autobots on Cybertron and trying to build a new peace. He never quite got used to his friend's cavalier attitude towards rules, but when Wing Saber rejoins the Autobots in the fight against Megatron, will the two reconcile their differences to form the Sonic Wing mode again?

Episode 31 - Cybertron
After a perilous journey to Cybertron, the Autobots and Decepticons vie for control of the Omega Lock, while Optimus Prime and Megatron fight their ultimate battle. The Autobots then finally have the chance to complete their long mission—to insert the Omega Lock and hopefully save the Universe from the black hole. The moment of triumph is short-lived, however, as the entire planet seems to be tearing itself apart!

Episode 32 - Balance
Episode 33 - Darkness
Episode 34 - Memory
Episode 35 - Escape
Episode 36 - Family
Episode 37 - Titans
Episode 38 - Warp
Episode 39 - Giant
Episode 40 - Fury
Episode 41 - City
Episode 42 - Ambush
Episode 43 - Challenge
Episode 44 - Duel
Episode 45 - Optimus
Episode 46 - Showdown
Episode 47 - Guardian
Episode 48 - Homecoming
Episode 49 - Endgame
Episode 50 - Unfinished
Episode 51 - Beginning
Episode 52 - Last Episode