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Ben explores the quirkier side of things in the alien underground and discovers enemies from his past looking for a re-match.

Cartoons, Series • 2012 • U

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.

Ben 10: Omniverse S1 Ep01

Ben and Rook discover an underground city beneath Bellwood populated with aliens! But who is terrorizing them?

Ben 10: Omniverse S1 Ep02

Alien pests from Ben's youth come back, but now they need Ben's help. (Introducing Fistrick, & new Ben alien Gravattack)

Ben 10: Omniverse S1 Ep03

When Ben and Rook investigate a mysterious alien ghost ship, they discover that Argit and the Vreedle Brothers are fighting for possession.

Ben 10: Omniverse S1 Ep04

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!

Ben 10: Omniverse S1 Ep05

Young Ben, Gwen, and Grandpa Max visit Azmuth on Galvan Prime.

Ben 10: Omniverse S1 Ep06

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!

Ben 10: Omniverse S1 Ep07

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.

Ben 10: Omniverse S1 Ep08

After a heated argument, Ben and Rook go their separate ways, giving Khyber the Huntsman his best chance to capture Ben!

Ben 10: Omniverse S1 Ep09

While trapped in Khyber's ship, Ben learns details about the origin of the Nemetrix, and the link between Khyber, Malware, and Dr. Psychobos!

Ben 10: Omniverse S1 Ep10

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?

BEN 10: Omniverse S1 Ep11

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.

BEN 10: Omniverse S1 Ep12

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.

BEN 10: Omniverse S1 Ep13

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.

BEN 10: Omniverse S1 Ep14

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 10: Omniverse S1 Ep15

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

BEN 10: Omniverse S1 Ep16

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. (Introducing Billy Billions)

BEN 10: Omniverse S1 Ep17

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

BEN 10: Omniverse S1 Ep18

The Faction infiltrates Galvan in an attempt to destroy Azmuth.

BEN 10: Omniverse S1 Ep19

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

BEN 10: Omniverse S1 Ep20

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

Ben 10: Omniverse S1 Ep21

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 10: Omniverse S1 Ep22

While out looking for the elusive 23rd Mr. Smoothy's store with Blukic and Driba, Ben meets an alternate version of himself. (Guest-starring Aziz Ansari as Ben 23.)

Ben 10: Omniverse S1 Ep23

Ben and Rook escort Vilgax to a maximum-security prison planet, but the Incurseans have other plans.

Ben 10: Omniverse S1 Ep24

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.

Ben 10: Omniverse S1 Ep25

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

Ben 10: Omniverse S1 Ep26

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

Ben 10: Omniverse S1 Ep27

Dr. Psychobos and Princess Attea have invaded Rook's home planet Revonnah with an army of Incurseans! (Introducing new Ben alien, Astrodactyl)

Ben 10: Omniverse S1 Ep28

The Incursean Armada, with the help of Dr. Psychobos, have invaded the Earth. (Reintroducing old Ben alien, BenMummy)

Ben 10: Omniverse S1 Ep29

With Ben disappears the Incurseans now control the Earth. It's up to Rook and the remaining Plumbers to lead the resistance and fight back!

Ben 10: Omniverse S1 Ep30

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

Ben 10: Omniverse S1 Ep31

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

Ben 10: Omniverse S1 Ep32

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

Ben 10: Omniverse S1 Ep33

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 10: Omniverse S1 Ep34

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

Ben 10: Omniverse S1 Ep35

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

Ben 10: Omniverse S1 Ep36

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

Ben 10: Omniverse S1 Ep37

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

Ben 10: Omniverse S1 Ep38

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

Ben 10: Omniverse S1 Ep39

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

Ben 10: Omniverse S1 Ep40

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

Ben 10: Omniverse S1 Ep41

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

Ben 10: Omniverse S1 Ep42

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

Ben 10: Omniverse S1 Ep43

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

Ben 10: Omniverse S1 Ep44

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 10: Omniverse S1 Ep45

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

Ben 10: Omniverse S1 Ep46

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

Ben 10: Omniverse S1 Ep47

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)

Ben 10: Omniverse S1 Ep48

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

Ben 10: Omniverse S1 Ep49

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

Ben 10: Omniverse S1 Ep50

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

Ben 10: Omniverse S1 Ep51

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

Ben 10: Omniverse S1 Ep52

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

Ben 10: Omniverse S1 Ep53

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

Ben 10: Omniverse S1 Ep54

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 10: Omniverse S1 Ep55

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

Ben 10: Omniverse S1 Ep56

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?

Ben 10: Omniverse S1 Ep57

Ben gets dragged into intergalactic court by the other Celestialsapiens (Alien Xs) for recreating the universe (back in "So Long and Thanks for All the Smoothies").

Ben 10: Omniverse S1 Ep58

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!

Ben 10: Omniverse S1 Ep59

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 10: Omniverse S1 Ep60

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

Ben 10: Omniverse S1 Ep61

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

Ben 10: Omniverse S1 Ep62

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

Ben 10: Omniverse S1 Ep63

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

Ben 10: Omniverse S1 Ep64

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

Ben 10: Omniverse S1 Ep65

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

Ben 10: Omniverse S1 Ep66

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

Ben 10: Omniverse S1 Ep67

Pa Vreedle reunites with Ma for all-out destruction.

Ben 10: Omniverse S1 Ep68

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

Ben 10: Omniverse S1 Ep69

Ben and Dr. Psychobos become reluctant allies in a parallel-dimension maelstrom.

Ben 10: Omniverse S1 Ep70

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

Ben 10: Omniverse S1 Ep71

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

Ben 10: Omniverse S1 Ep72

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

Ben 10: Omniverse S1 Ep73

Ben and Rook join Kai Green on a perilous alien relic hunt through South America.

Ben 10: Omniverse S1 Ep74

Charmaster returns to exact her revenge on Gwendolyn once and for all.

Ben 10: Omniverse S1 Ep75

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

Ben 10: Omniverse S1 Ep76

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

Ben 10: Omniverse S1 Ep77

Ben fights for his life on an alien reality show.

Ben 10: Omniverse S1 Ep78

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!