A strange subspace message leads Bumblebee and a motley crew of Autobots back to Earth, which is about to be overrun with Decepticons.
As metal-eating Decepticon Underbite demolishes Crown City, Bumblebee tries to get his team of Autobots to work together.
Bumblebee's bunch of Autobots must learn how to work together as a team while doing battle with the Sharkticon Hammerstrike and wolflike Steeljaw.
Fixit finally gets a chance to fight alongside the members of Bee Team, but finds he may not be as prepared as he thought.
Human scientists discover evidence of the Decepticon presence, and Bumblebee struggles with his leadership role while his team battles Terrashock.
While hunting for Thunderhoof, a Decepticon using humanity's folklore against itself, Bumblebee comes to question Sideswipe's allegiance.
The Bee Team launches a rescue operation when Filch, a birdlike Decepticon with a love of shiny things, abducts Denny.
When Grimlock starts behaving aggressively toward members of the Bee Team, they learn that a tiny Decepticon has taken over his mind and body.
On her first solo mission, Strongarm pursues Springload, a deranged Amphiboid Decepticon, to the ruins of an ancient temple.
While playing host to Autobot legend Jazz, Bumblebee's team faces Ped, an enormous Bot-worm determined to deplete the Energon supply.
When a Decepticon toxin causes Bumblebee to regress to childhood, the Autobots must hunt a fugitive while baby-sitting their leader.
Bumblebee's team is confronted by two rival bounty hunters, both of whom are out to claim the price on Bumblebee's head.
As the Bee Team confronts the smelly Malodor and his Skunkticons, Optimus is put through a perilous test of his abilities in the realm of the Primes.
Sideswipe blackmails Strongarm into staying behind while the Bee Team pursues crablike Decepticon Clampdown, who wants to join Steeljaw.
Nightstrike, a batlike Decepticon, captures Denny and the Autobots, holding them captive and subjecting them to their worst fears.
When Vertebreak captures Sideswipe and puts his head in a jar, he learns that he can still contribute to Bee Team.
A feud with his sensei, Drift, prompts Jetstorm to return to Earth to continue his training with Russell as his new teacher.
As Bumblebee's team confronts undersea Decepticon Octopunch, Grimlock hopes to keep a serious injury from threatening the mission.
When Decepticons Groundpounder and Headlock scheme to enter a human demolition derby, Grimlock, Denny and Fixit go undercover to even the odds.
The Autobots try to repair Fixit, but only end up turning him into a killing machine that mistakes the Bee Team for fugitive Decepticons.
Bumblebee and his team must get back in to the Scrapyard, which Steeljaw's crew has overrun while they were away.
Dinobot leader Grimlock faces a crisis of conscience when Scowl, a Dinobot with a mean streak, goes on a spree of destruction.
When Zizza, a queen bee Decepticon with mind control powers, seizes an airport, Bumblebee's team joins forces with fellow Autobot Windblade.
On a sightseeing visit to an Old West ghost town, the Bee team encounters Pseudo, a Decepticon with the power to change its shape.
As Steeljaw plans to teleport Megatronus, the first Decepticon, to Earth, Optimus Prime prepares his own return to protect the planet.
Bumblebee and his team reunite with Optimus Prime to prevent Megatronus from destroying both Earth and Cybertron.