A runaway train's fusion engine is up for grabs and the Stunticons are in pursuit, so the Bee Team must do all it can to prevent them from getting the cargo. An additional threat arises as the train could potentially crash into Crown City Train Station.
s04e01 - King of the Hill (1)
s04e02 - King of the Hill (2)
s04e03 - Defrosted
s04e04 - Blurred
s04e05 - Sphere of Influence
s04e06 - Bee Cool
s04e07 - The Great Divide
s04e08 - Get a Clue
s04e09 - Out of the Shadows
s04e10 - Disordered Personalities
s04e11 - Guilty as Charged
s04e12 - The Golden Knight
s04e13 - The Fastest Bot Alive!
s04e14 - Railroad Rage
s04e15 - Combine and Conquer
s04e16 - Moon Breaker
s04e17 - Exiles
s04e18 - Breathing Room
s04e19 - Prepare for Departure
s04e20 - Prisoner Principles
s04e21 - Collateral Damage
s04e22 - Something He Ate
s04e23 - Sick as a Bot
s04e24 - Five Fugitives
s04e25 - Enemy of my Enemy
s04e26 - Freedom Fighters
Bumblebee is summoned to save Earth from a new faction of Decepticons and assembles a rogue team of young Autobots that includes a rebel bad boy bot, an elite guard cadet, a bombastic Dinobot and hyperactive Mini-Con to capture their new enemies.
Each new bot is a fully capable action hero but inexperienced in working together in a team, forcing Bumblebee to become both squad leader and coach