When Kevin convinces Steam Smythe to adopt a modern approach in fighting Ben, our young hero must resort to old-fashioned thinking to save the day.

When a new Xingo app mysteriously appears on Gwen's tablet, Ben activates it despite his cousin's disapproval, springing a trap that transports Ben in the animated world and Xingo into the real world.

Ben is tasked with cleaning the Rust Bucket, but when he is tricked into letting the villainous and vile Fly Guys steal it, he must chase them down before they create an unstoppable maggot monster.

When Maurice and Sydney accidentally split Max into 100 dumb clones of himself, Ben must find a way to switch him back without getting divided as well, while Gwen is forced to babysit the Maxes.

As team Tennyson admires the modern train station, Ben sniffs out one of Steam Smythe's robots holding up the line. Once the fed up villain tricks Ben into accepting a duel, the fate of the Omnitrix hangs in the balance.

Ben, Gwen and Grandpa Max walk along the Great Wall of China, but almost have their adventure spoiled by racers LaGrange and Vin Ethanol, who want to try a daredevil jump over the wall.

Gwen, Ben and Max encounter a family who are kind of their mirror selves.

The Tennysons visit Fort Know, but it does not last long till Ben has to fight a monster.

Dr. Animo returns with his newest invention, the 'Animerger'.

Ben finds a rare map in the historical village Oldeville. Billy Billions wants that map so he challenges Ben with his high-tech drones.

Ben and Gwen are in a highly competitive paper airplane war, but when alien-tech drones bombard the Rust Bucket, the cousins must work together to ground the aerial attack

During a family cookout at a forest campsite, Charmcaster uses her magic to switch places with Gwen, but when Ben catches "Charmcaster" sneaking about, he attacks, unaware it's actually his cursed cousin.

While tailgating at a State U. homecoming football game, Ben teams up with Grandpa Max's old college buddies to keep the crazy clown Zombozo from robbing the stadium blind at halftime.

Ben and Gwen decide to race against LaGrange when he crashes a race.

The group visit the Buddy's Vision Of Tomorrow exhibit, where Steam Smythe hopes to take a secret weapon to rule the world.

Back stateside, Ben can't get into a cat cosplay competition, Top Tail, without a cat costume of his own; but when he goes Rath, a new cat-like alien with an attitude, Ben's newfound wild side quickly becomes much more than he bargained for, and must learn to hold in his rage.

After an overpass collapses on the highway, Team Tennyson is trapped in a traffic jam along with Simon Sez and his family. But when Ben and Simon team up to tackle the gridlock together, Simon only makes matters worse.

During a visit to the farm of Penny Bennyson's grandfather, Team Tennyson is haunted by a living scarecrow, but when Ben discovers that Aristocrow is behind it all, our hero must defeat Aristocrow's master, Steam Smythe, if he is to save his cousin's farm.

Ben and Gwen are turned into babies by a weird nanny who wants to turn the world into a day care.

While golfing, Ben must face a biker gang of mutated groundhogs.

When Ben puts out a fire as Wildvine, a trio of alien chiefs decide to eat him for lunch.

When Max enters a pancake eating contest at the famous Pancake Palace, Ben finds the Bugg Brothers and must stop them before they obtain an endless supply of Pancake Palace pancakes.

During a routine trip to the DMV, Max takes a driving test to renew his license, but a disguised Zombozo hijacks the role of instructor.

After Billy Billions' efforts to carve his face onto Mount Rushmore with a laser are thwarted by Ben, the billionaire brat turns his focus on removing Ben from the Omnitrix.

Kevin gives Xingo a power up – setting him loose to wreak havoc on other TV shows – and it is up to Ben to stop them both.