Vilgax and Eon team up to wipe out every Ben in every dimension.

Professor Paradox unites the good Bens from across all dimensions to take on Vilgax, Eon, and the evil Bens in the ultimate showdown.

Kevin and Argit attempt to warn the Amalgam kids about the Rooters intentions. Meanwhile, Ben, Rook, and Gwen set off to find Kevin and land themselves in the Null Void.

The Rooters have seemingly turned Kevin and the Amalgam kids against Ben. Can Rook and Gwen help him overcome the opposition and escape the Null Void?

When Eon forces young Ben and teenage Ben to switch minds, only the time-traveling Professor Paradox can sort things out and help Ben stop Eon from taking over the timelines.

Ben, Rook and George Washington team up to battle an alien conqueror.

Khyber, aided by a booger-like Slimebiote named Skurd, attacks Ben & co, but the tables turn when Skurd gloms onto Ben!

Meet the Rooters, the Black Ops wing of the Plumbers from the Null Void. They've come looking for someone close to Ben, and they mean business.

Ben meets an alternate version of himself while searching for a 23rd Mr. Smoothy's store.

Rook is under the influence of Fistrick's "bro" essence, and starts to act like a bro. Can he and Ben infiltrate an alien fight club to claim the Golden Fist?

A mysterious Galvan arrives and demands Blukic and Driba to give back a super powerful weapon needed to stop a threat to Earth.

Ben, Rook and Grandpa Max must stop Ultimate Albedo from absorbing all of Azmuth's profound knowledge and taking over the galaxy. Gwen and Kevin show up just in time to help with their struggle.

Albedo, disguised as Ben, seeks a device that will finally change him back into his Galvan form. Meanwhile, the real Ben is locked in Albedo's prison cell at Plumber HQ.

After Ben falls for Albedo's trap, Grandpa Max and Rook search all over the galaxy looking for Ben. Meanwhile he's secretly trapped on Khyber's hidden personal hunting preserve fighting Khyber's new pet that now wears the Nemetrix.

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

With the help of Dr. Psychobos, Ben 23 and Ben Tennyson successfully stage a breakout and a revolution in Mad Ben's labor camp.

Ben gets dragged into intergalactic court by the other Celestialsapiens for recreating the universe.

Ben and Rook are called to London to investigate the Forever Knights' latest activities.

Ben and Rook visit Rook's family while Revohnnah is attacked by an old foe.

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!

Ben and Rook are attacked by Khyber at a festival.

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

Vilgax's former lackey Psyphon is elated when his master returns.

The Secret Saturdays come to Bellwood to help Ben and Rook investigate a rash of chupacabra attacks where they've been draining alien lifeforce.

Ben and Rook must stop a giant rampaging alien from destroying Bellwood while dealing with a peace-loving alien-rights activist who doesn't want it hurt.

With the help of the con-artist Simian, Argit starts a secure transport firm called "Argistix Securities" employing a group of Techadons as workers. Ben immediately becomes suspicious of Argit's business, considering the latter's history.

Princess Looma returns to claim Ben as her husband, and she's not going to let anyone stand in her way!

Billy Billions, Kangaroo Kommando, and Captain Nemesis team up to take down Ben, and claim his place as protector of Bellwood?!?

Ben finally meets the ones responsible for his intergalactic TV show, and the actor who makes Ben 10 more famous than Ben himself.

Ben, Rook, and Grandpa Max have their hands full when Phil returns as a half-human, half-Terroranchula creature and starts absorbing all of the electricity and lightning in Bellwood. Phil seeks Max's help to tame the monster within.

Ben and Rook come across elastic, hot blooded aliens that plan to activate a volcano with a nuclear bomb engine.

The Megawhatts that Ben fought in his youth seek his help when they are being used as a power source for the villain Fistrick.

Magister Patelliday is kidnapped by pirates who rob ships and put them in giant glass bottles to sell them. They intend to devour Patelliday. Any attempts at rescue are hard, since they have a Krakken and a robot army.

Octagon and Rhomboid Vreedle kidnap Pretty Boy Vreedle, but when Ma Vreedle finds out he's stolen, but not by whom, she threatens to blow up the sun if Ben and the Plumbers don't find her missing son! Meanwhile Ben tries to hide from his mom so he won't get seconds on the dinner that he hates.

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

After parting ways with Gwen and Kevin, Ben is assigned a new alien partner named Rook Blanko. Meanwhile, Khyber the Hunstman targets Ben as his next prey.

Pa Vreedle reunites with Ma for all-out, total cosmic destruction! Meanwhile, Rhomboid and Octagon tries to impress Ma and Pa Vreedle like Isosceles and Parallelogram Vreedle always does.

Dr. Psychobos and Princess Attea have invaded Rook's home planet Revonnah with an army of Incurseans!

While Rook is stuck on graveyard shift at Plumber HQ, his sensei Kundo returns as a cyborg to purge the galaxy of technological influence.

Ben and Rook must stop Trumbipulor from gaining absolute power while Blukic and Driba set out to find Mr. Smoothy's.

Charmcaster attacks Gwen at Freakin' University, wanting to obtain Hex's mystical Staff of Ages through any means necessary, while Kevin and Rook try to make Kevin's car completely indestructible so that nothing can destroy it.

The princess Looma and Attea are at odds over who gets to marry Ben.

Ben fights for his wife on an alien reality show.

Dr. Animo reminisces about when he once took control of the Plumber's HQ in Mount Rushmore.

When Ester invites Ben (who brings along Rook to the former's dismay) to a museum exhibit displaying alien artifacts, they encounter Ben's former crush Kai. When Ester discovers their relationship she immediately becomes jealous of her. The four of them are forced to team up, however, when a priceless exhibit that Kai put on display is stolen. Chrono Spanner also reappears again, this time trying to convince Ben that he's "destined" to marry Kai, to Ester's chagrin.

After Mr. Baumann, the grouchy storekeeper, realizes from Ben that his temper comes from being lonely he starts soul-searching. Eventually he stumbles across a secret not from this earth.

The Incursean Armada, with the help of Dr. Psychobos, have invaded the Earth.

Ben and Rook attempt to stop Dr Animo and his giant ants.