Ben 10: Omniverse, It Was Them

Now on his own Ben sets out to be a solo superhero with new alien heroes at his disposal but Grandpa Max has other plans. (Introducing Rook Malware Khyber Nemetrix alien Crabdozer new Ben aliens Feedback and Blox Pakmar.)

With his new partner by his side Ben discovers an underground city beneath Bellwood that is populated by aliens, which Ben discovers is being terrorised by Vilgax's old butler Psyphon who is causing trouble.

Ben encounters an old enemy from his youth the Megawhatts. But this time they need his help in freeing them from their capture.

Khyber the Huntsman infiltrates a facility to download information on Ben Tennyson's experience with a deformed Mechamorph named Malware. He learns of Malware's creation and destruction as well as Malware's search for a Helix.

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.

Dr. Animo has escaped his Plumber prison and Ben and Rook must track him down before he turns the world into his personal mutant ant farm!

When Ben and Rook investigate a mysterious alien ghost ship they discover that Argit and the Vreedle Brothers are fighting for possession of a doomsday device! (Introducing Solid Plugg.)

Ben and Rook encounter a race of elastic hot-blooded aliens in Undertown who want to use a stolen nuclear fusion engine to activate a volcano! (Introducing Ester Seebik and the Kraaho.)

Khyber and his Omintrix-possessed pet have been testing Ben's skills and gathering information. They now use their collected knowledge to finally face Ben in a battle.

While trapped in Khyber's ship Ben learns details about the origin of the Nemetrix and the link between Khyber Malware and Dr. Psychobos! (Introducing new Nemetrix alien Tyrannopede.)

When Dr. Psychobos steals a part out of the Omnitrix, causing chaotic side effects, it's up to Ben, Rook, and a small team of Plumbers get everything back to normal.

Gwen and Kevin pay Ben a surprise visit, but does Kevin's strange behavior have anything to do with an angry Tetramand princess, or her father's fleet of warships prepared to attack the Earth?

When their fishing trip in Undertown takes a bizarre twist, Ben, Rook, and Grandpa Max, begin their search for a ship-bottling alien pirate who has captured Magister Patelliday.

The Plumbers' resident geniuses, Blukic and Driba set off to find some smoothies meanwhile Ben and Rook try to stop Trombipulor from gaining the source of absolute power.

Khyber and his dog attacks Ben and Rook while they're at the "Olde Bellwood Days" festival, but does the hunter have other plans?

Ben and Rook must stop the evil Robots from Dimension 12 while trapped in their own pre-pubescent bodies, thanks to Ben's childhood rival.

Rook brings Ben to his home planet to meet the family. Unbeknownst to them, an old foe is raising an army to steal the plane's most precious resource!

When Eon causes 11-year old Ben swap minds with teen Ben, it's up to Gwen, Rook, and Professor Paradox to set things straight.

While out looking for the elusive 23rd Mr. Smoothy's store with Blukic and Driba, Ben meets an alternate version of himself.

As payment for destroying his car, Mr. Bowman orders Ben to make deliveries for him without using the Omnitrix.

The Faction infiltrates Galvan in an attempt to destroy Azmuth.

Ben must deal with a past failure while a deranged Malware launches his final attack on Azmuth.

When the Incursean armada kidnaps the Gourmand Queen, Ben and Rook must get the warring Gormand factions to work together to save her and stop the Incursean invasion.

Ben and Rook escort Vilgax to a maximum security prison planet, but the Incurseans have other plans. (Introducing Eighteight)

Dr. Psychobos and Princess Attea team up and lead an invasion of Rook's home planet.

Incurseans take control of Earth, so Rook and the Plumbers must stop them, while Ben is somehow missing. Together, they must find a solution to stop the Incurseans once and for all.

Incurseans take control of Earth, so Rook and the Plumbers must stop them, while Ben is somehow missing. Together, they must find a solution to stop the Incurseans once and for all.

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

With Plumber agents trapped in Incursean territory, Ben and Rook must employ the services of Rad Dudesman, the roughest, toughest smuggler in the galaxy.

A flashback from five years ago details how Dr. Animo nearly took over Mount Rushmore.

The Secret Saturdays come to Bellwood to investigate a rash of chupacabra attacks.

Ben as Gravattack attempts to moderate a fragile peace treaty, but must endure the attacks of tiny alien fleas, which have inhabited his body.

Ma Vreedle threatens to blow up the Sun if Ben and the Plumbers don't find her missing son!

The Forever Knights threaten to use a sinister weapon to erase all alien DNA on Earth unless Ben and Rook can stop them.

Ben, Gwen and Cousin Lucy try to find out how Psyphon's thugs are getting Plumber technology.

Kevin and Rook run into an old enemy from the Null Void while attending an intergalactic auto show. (Re-introducing classic Ben alien, Upgrade)

Albedo seeks a device that will finally change him back into his Galvan form; meanwhile, Ben is locked in Plumber HQ prison.

Grandpa Max and Rook are looking all over the galaxy for Ben, who is trapped on Khyber's hidden personal hunting preserve.

Ben, Rook and Max must stop Ultimate Albedo from absorbing Azmuth's intelligence and taking over the galaxy.

Grandpa Max's old Plumber partner, Phil, seeks Max's help to tame the monster within. (Introducing new Ben alien, Buzzshock; Re-introducing old Ben alien, Benvicktor, )

Ben and Rook must stop Zombozo and the Circus Freaks from turning everyone in Bellwood into zombie clowns!

An old enemy emerges while Ben and Rook visit Kevin and Gwen at college. (Z Skayr returns)

Vilgax former lackey, Psyphon is elated when his master returns.

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

Dr. Animo from the future comes back to the present to help himself defeat Ben once and for all. (Introducting new Ben alien, Gutrot)

Ben and Rook enlist the help of intergalactic smuggler Rad Dudesman to fly them through the Anur System, the home of the monstrous aliens!

Still stranded on the monster planet Anur Transyl, Ben and Rook reluctantly team up with Charmcaster to take on Zs Skayr.

Ben, Rook, and Rad Dudesman come face to face with the evil Lord Transyl, a vampire-like alien who can make anyone his loyal slave! (Introducing new Ben alien, Whampire)

The princesses Looma and Attea are at odds over who gets to marry Ben!

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

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!

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

Psyphon and a gang of bounty hunters are after Argit, who is in possession of a dangerous weapon!

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!

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

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? (Introducing Slix Vigma, alien promotor)

Ben gets dragged into intergalactic court by the other Celestialsapiens (Alien Xs) for recreating the universe.

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?

Ben's country cousin wants to be a hero, too.

Rook's former teacher will preserve Revonnahgander traditions at any cost.

At Gwen's college, Ben suspects a new teacher and new student are old enemies.

The grouchy storekeeper has a big secret, and she's not of this Earth.

Alien artifacts in Bellwood attract enemies from the future and friends from the past.

As Wildvine, Ben goes undercover with an alien crime ring and is tempted by their extreme lifestyle.

Everybody's favorite alien conman, Argit, takes on a shady sidekick, Simian, in a shocking new business.

Pa Vreedle reunites with Ma for all-out destruction.

Alternate dimensions, duplicate Bens, and villains from throughout time and space! Just another day in Bellwood.

Ben and Dr. Psychobos become reluctant allies in a paralleldimension maelstrom.

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

Khyber makes a deal with a genetic parasite to steal the Omnitrix from Ben.