Bumblebee, Sideswipe and Strongarm are guided to Earth by a vision of Optimus Prime - and discover a band of Decepticon fugitives and two human friends.

Optimus commands Bumblebee to lead the Autobots in defending Earth. They get their first mission with the pursuit of the car-dinosaur Underbite.

While Bumblebee works to get Grimlock to trust them, they must work together when the Sharkticon Hammerstrike has been targeting oil tankers. Meanwhile, the others have their encounter with Steeljaw.

Bumblebee goes on a solo mission to apprehend a Decepticon who is stealing parts to build a spaceship.

Human scientists discover evidence of the Decepticon presence, and Bumblebee struggles with his leadership role while his team battles Terrashock.

Sideswipe's loyalty to the team comes into question as he and Bumblebee track down the Cybertronian crime boss Thunderhoof.

The team, Strongarm most of all, must work together to take down a bird-like Decepticon thief.

Steeljaw sends a Decepticon to control Grimlock's mind and do his bidding.

Strongarm tries to take on a frog Decepticon by herself.

The Autobots meet a new member who helps them out in capturing a Decepticon searching for energon crystals.

Bumblebee gets injured in battle and regresses into a child. Can he be able to take down a Decepticon by himself in his state?

Two Transformers, the Autobot Drift and the Decepticon Fracture, face off on Earth.

A skunk Decepticon who uses noxious toxins puts the team under control, and it's up to Bumblebee to save his friends.

A crab-like Decepticon appears in Crown City's flood control channel.

A mind-controlling Decepticon captures the Autobots and traps them within nightmares. It's up to Russell to rescue them.

Sideswipe is captured and has his body stolen by an insane Decepticon.

Drift returns to Earth in pursuit of a disgruntled, runaway Jetstorm. Meanwhile, Springload and Quillfire make an escape.

Grimlock tries to hide an injury while the Autobots track down an aquatic Decepticon.

Grimlock goes up against an unstoppable Decepticon gladiator.

Fixit needs a repair job from Denny, but it goes wrong and he turns into a sentry bent on wiping out fugitives.

Steeljaw and his gang break into the scrapyard to free their fellow Decepticons.

A restless Grimlock meets up with a Dinobot criminal, and ponders returning to his old ways.

The Autobots recruit a new member, the female warrior Windblade, to aid them in capturing a mind-controlling hornet Decepticon.

The Autobots stumble upon a chameleon-like fugitive in a western ghost town.

As Optimus returns to Earth to face the mysterious evil prophesied, the Bee Team must prevent Steeljaw's pack from teleporting that same threat to Earth.

Optimus Prime and Bumblebee's team must use everything they've learned to stop the annihilation of both Earth and Cybertron.