Bumblebee is given a mission to Earth by a vision of Optimus Prime. Bumblebee and his team must track down the Decepticons that have been set free on Earth and prevent them from causing any harm.
Following a mysterious message, Bumblebee returns to Earth, joined by unlikely companions, to face a new Decepticon threat. (S1, ep 1)
Bumblebee and his new allies struggle to work together as they protect Crown City from metal-devouring Underbite. (S1, ep 2)
The new team needs to hone their teamwork, but will have to learn quickly as they face off against the Decepticon duo of Hammerstrike and Steeljaw. (S1, ep 3)
Fixit gets more than he bargained for as the team try to keep Chop Shop from fleeing Earth. (S1, ep 4)
WWOD?: Bumblebee must learn to lead in his own style as the team struggles to bring in Terrashock, whose stasis pod has been located by human scientists. (S1, ep 5)
Sideswipe's dedication to the team comes into question as he and Bumblebee track down Thunderhoof, a Decepticon taking advantage of human folklore. (S1, ep 6)
The team track down Filch, a crow-like Decepticon with the urge to steal shiny things and has taken Denny prisoner. (S1, ep 7)
True Colours: Grimlock seemingly turns against his friends, but his attitude change has been caused by a mini Decepticon taking control of his body and mind. (S1, ep 8)
Strongarm goes on her first solo mission: tracking down the insane frog-like Decepticon Springload in the ruins of an ancient temple. (S1, ep 9)
Can You Dig It?: The team welcomes Autobot veteran Jazz, who helps them fend off the massive worm-bot Ped. (S1, ep 10)
A Decepticon toxin impacts Bumblebee's maturity, leaving the team to deal with both an escaped fugitive and a hyperactive leader. (S1, ep 11)
The team is caught in the middle of a feud between two rival bounty hunters who are trying to claim a bounty on Bumblebee. (S1, ep 12)
Bumblebee tries to keep his team from getting distracted as they fight Malodor and his Skunkitcon gang. Optimus undergoes a big test in the realm of the Primes. (S1, ep 13)
Sideswipe blackmails Strongarm into doing all of his work as the team tries to capture crab-like Clampdown. (S1, ep 14)
Denny and the Bots are captured by the bat-Decepticon Nightstrike, who plunges the team members into their worst fears. (S1, ep 15)
Mad scientist Vertebreak captures Sideswipe, steals his body and stores the Autobot's head in a jar! (S1, ep 16)
After a dispute with his sensei, Drift, Jetstorm returns to Earth in the hopes of studying at the feet of a new master - Russell! (S1, ep 17)
The team head to the ocean floor to capture Decepticon Octopunch, not knowing that Grimlock is covering up a serious injury. (S1, ep 18)
When Decepticon gladiators Groundpounder and Headlock enter a human Demolition Derby, Grimlock, Denny and Fixit pose as competitors to bring them in. (S1, ep 19)
An attempt to fix ailing Fixit goes horribly wrong, turning the Mini-Con into a lethal prison guard who mistakes the team for Decepticon fugitives. (S1, ep 20)
Steeljaw and his pack take over the scrapyard while the Bee Team is away, forcing the Autobots to find a way back in. (S1, ep 21)
Dinobot Scowl goes on a rampage, causing Grimlock to briefly ponder a return to old habits. (S1, ep 22)
The team allies with Windblade to take on Zizza, who has taken control of a small airport. (S1, ep 23)
Ghosts and Imposters: An educational trip turns into a Decepticon hunt, as Bee and the Bots stumble upon the shape-shifter Pseudo in a western ghost town. (S1, ep 24)
Battlegrounds - Part 1: Optimus returns to Earth to face the threat he prophesied to Bumblebee. Meanwhile, the team tries to prevent Steeljaw from bringing the threat to Earth. (S1, ep 25)
Reunited with Optimus Prime, Bee and his team must use everything they've learned together to stop Megatronus from annihilating Earth and Cybertron. (S1, ep 26)