When the entire planet of Cybertron becomes frozen in time, it’s up to Grimlock and his new Dinobot friends to save everyone.
The peace treaty between the Autobots and Decepticons is put to the test when a new threat arrives, bringing a war from another reality.
Windblade arrives on Earth before the Decepticons and meets her old friend Bumblebee who has no idea who she is.
Realising that Bumblebee’s memory is in bad shape, Windblade must resort to extreme measure to try and help fix her friend.
While searching his memories to understand the Allspark, Bumblebee makes a more important discovery… the memory of his friend Optimus Prime.
During its journey from Cybertron, the ARK’s Energon supplies run low and the desperate crew is forced to enter stasis.
A mysterious clue from Bumblebee’s memory leads Windblade on a treacherous journey.
Windblade tries to make Bee understand who Megatron is.
Bumblebee learns how he first met Windblade and relives a Golden Age encounter with a young Starscream and his Seekers.
Bumblebee explores a nightmarish memory of his visit to Velocitron while Windblade pilots the shuttle in a relentless dogfight with the Decepticon Seekers.
Bumblebee revisits memories of his arch-nemesis Shadowstriker and learns there’s more to being a hero than just knowing how to fight.
Bumblebee remembers MacCadam’s, his favorite hangout on Cybertron
Shockwave traps Bumblebee in a false memory designed to convince him he's a Decepticon.
Windblade and Bumblebee trace an Autobot signal and find themselves lured into a trap set by Slipstream and her Seekers.
Bee learns the meaning of leadership through three memories of Optimus Prime.
The Seekers attempt to extract the location of the Ark from Windblade's memories.
Windblade and Bee uncover a buried Autobot who turns out to be an old friend.
The newly formed team of Autobots must stop Shockwave from destroying all life on the planet.
The Autobot team finally discovers the location of the Ark.
The Autobot team must fight its way through Shockwave and his Decepticons to defend the Ark and awaken Optimus Prime and the other Autobots.
To save the Earth from Destruction, the Autobots must defeat the Decepticons on the moon.
Starscream makes a power play for control of the Decepticons as the Moon hurtles toward the Earth.
As one of Wheeljack's inventions wreaks havoc on The Ark, Bee tries to figure out what he saw on the moon.
The Decepticons are thrown into chaos by an unexpected Autobot visitor in their midst.
Optimus and Megatron finally discover the Allspark.
Starscream uses the Allspark to create a terrible new army.
The Autobot and Decepticons attempt to forge an alliance in the face of the threat posed by Starscream.
Optimus Prime leads a rescue mission onto the Nemesis, saving the Decepticons from Starscream.
As the Autobots prepare for an attack, Cheetor struggles to find his place amongst the tight-knit group.
Shockwave kidnaps Wheeljack to help the Decepticons find Starscream, but he underestimates the wily Autobot inventor.
After eons of embittered rivalry, Jetfire and Sky-Byte are prepared to do whatever it takes to end one another.
Starscream's plan reaches its endgame, and no one is safe.
With the AllSpark in hand, the Autobots launch a daring mission to return it to Cybertron.
The Autobots celebrate their newfound victory, but the party quickly takes a violent turn.
Hot Rod takes Bumblebee and Cheetor space-boarding through an asteroid field where they encounter Sharkticons.
The mission to save Cybertron is threatened when Windblade steals the AllSpark and flees to a mysterious world.
While looking for adventure, Grimlock and Arcee must protect the Ark from a series of catastrophes.
The Autobots repair a damaged space bridge in hope of reaching Cybertron faster, only to wind up trapped in unspace.
The Autobots consider the battle won until the Decepticons show a weapon to steal the allspark.
Hot Rod and Soundwave team up to battle a Quintesson scientist.
The Autobots and Decepticons team up in a last-ditch effort to save the universe from the Quintessons.
The Autobots and Decepticons discover the terrible secret behind the Quintesson menace.
Part 1 - The Autobots and Decepticons combine their forces to defend Cybertron from its impending judgement.
Part 2 - With Optimus missing and the Quintesson Judge having captured the other Cybertronians, Windblade and Maccadam prepare their last resort.
Part 3 - Cybertron bears witness to a clash of Titans.
Part 4 - With no way left to fight a Quintesson-controlled Croaton, the Cybertronians are saved by an unexpected arrival.
In an attempt to locate a missing Windblade, Bumblebee goes on a spying mission in Decepticon territory.
In their search for Windblade, Bumblebee and Chromia discover secrets hidden within the legendary Crystal City.
A forgotten Autobot returns to Cybertron, searching for revenge.
To help Windblade, Bumblebee finds he must travel to Cybertron's forbidden moon.
The search for Windblade continues as Grimlock joins Bumblebee on a journey to prehistoric Cybertron.
A rescue mission to save Jetfire reveals a secret Decepticon operation.
Bumblebee and Chromia's search for Windblade takes them into Cybertron's gaseous Argon Sea.
Optimus Prime leads a strike team of Autobots on a mission deep into Decepticon territory to destroy a dangerous artifact.
In the series finale, the Autobots and Decepticons face the Other One, a powerful version of Megatron from an alternate universe.