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.

To save the Earth from disaster, 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 vie for Megatron's favor, only for an Autobot to land right on their doorstep.

Optimus and Megatron finally locate the Allspark, but will need to pass its guardian's trials to claim it.

The Autobots raid the Nemesis, believing Megatron has the Allspark, while Starscream creates a terrible new army.

With the threat of Starscream looming, the Autobots and Decepticons attempt to negotiate an alliance.

A distress signal from Megatron leads Optimus and crew to the Nemesis, and into Starscream's waiting clutches.

Cheetor struggles to find ways to be useful to the Autobots, so Bumblebee offers to train him in scouting.

When Shockwave kidnaps Wheeljack to help the Decepticons find Starscream, the scientist must use his resourcefulness to escape.

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.

The Autobots and Decepticons combine their forces to defend Cybertron from its impending judgement.

With Optimus missing and the Quintesson Judge having captured the other Cybertronians, Windblade and Maccadam prepare their last resort.

Cybertron bears witness to a clash of Titans.

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.

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.