11-year-old Ben, Gwen, and friends go on the adventure of a lifetime in their own backyard.

Khyber, aided by a booger-like slime biot named Skurd, attacks Ben and co, but the tables turn when Skurd gloms onto Ben.

Ben, Skurd, and Rook find themselves caught in an endless time loop as enemies from the future converge on Bellwood.

During Kai's search for the Temple of the Sky, she reluctantly teams up with Ben, Skurd and Rook at the insistence of Kai's grandfather.

Charmcaster traps Gwendolyn in Ledgerdomain to exact her revenge once and for all.

Rook and his little Plumbers must defend the Base from a mysterious lockdown.

Ben finally manages to rid himself of Skurd - just when he needs the Slimebiote most.

Ben fights for his wife on an alien reality show.

The Time War races towards its dramatic conclusion, with the fate of the entire universe and everything in it since the very beginning of time resting in the hands of Ben 10!

The Time War brings Ben, Rook, and George Washington together to battle an alien conqueror.