Season

Ben and Gwen are transformed into babies by nanny-gone-nuts Nanny Nightmare who will stop at nothing to reshape the world in the image of her day-care.

When Ben has to use one of his alien forms to save the Hoover Dam from disaster, he gets some help from tough guy and hero Tim Buktu, but Ben begins to question the "helper's" motives and has to decide if Tim is a friend or a foe.

Ben, Gwen and Max go on a tour of the impervious Fort Knox when Dr. Animo sicks a hungry ani-mutate on the Fort.

Ben and Gwen are excited to attend an Earth Day EDM concert in Portland until the show is hijacked by the sound-manipulating baddy Lord Decibel who uses sound as a weapon to trash the planet.

When Ben transforms into Upgrade to turn the lawnmower into a superfast mowing machine he accidently draws the ire of Bob’s gnome-neighbours.

After stumbling into Dr. Animo's secret lab filled with animals, Ben must formulate a plan that will allow him to set the animals free, but he has to get past the Alphas, the superior mutants that now rule the facility, and he's stuck as Stinkfly.

Ben and Gwen’s camping trip is interrupted by the emotionless Weatherheads but a malfunctioning Omnitrix firing out a mishmash of aliens may not be the forecast

As Ben wanders through Yellowstone National Park, he ends up discovering the secret plot of an illegal racer known as Lagrange, who is on the hunt for some old treasure allegedly buried somewhere deep within the national park.

When a wizard cosplayer gets his hands on a real, magical wand at Comic Con, Ben enlists Gwen to help stop Hex from retrieving it by tricking the wicked warlock.

Ben Tennyson, his cousin Gwen and his Grandpa Max, take their summer road trip to Niagara Falls, but their wet-water fun is interrupted by a horrific group of creatures called Hydromanders that begin to threaten them and the other tourists.