1. The More Things Change Part 1

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.

2. The More Things Change Part 2

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

3. A Jolt From the Past

Alien pests from Ben's youth come back, but now they need Ben's help.

5. Have I Got a Deal for You

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

7. So Long, and Thanks for All the Smoothies

When Ben and Rook investigate an alien ghost ship, they discover that Argit and the Vreedle Brothers are fighting for possession of a doomsday device!

8. Hot Stretch

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!

9. Of Predators and Prey Part 1

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

10. Of Predators and Prey Part 2

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

11. Outbreak

When Dr. Psychobos steals a part out of the Omnitrix, causing chaotic side effects, Ben, Rook and a few Plumbers must get everything back to normal.

13. Gone Fishin'

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

14. Blukic and Driba Go to Mr. Smoothy's

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

15. Malefactor

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

16. Arrested Development

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.

18. Ben Again

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

19. Store 23

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

20. Special Delivery

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

21. Showdown Part 1

The Faction infiltrates Galvan in an attempt to destroy Azmuth.

22. Showdown Part 2

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

23. Tummy Trouble

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

24. Vilgax Must Croak

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

25. While You Were Away

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

26. The Frogs of War Part 1

The Incursean armada, with the help of Dr. Psychobos, has invaded the Earth.

28. Rules of Engagement

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

29. Rad

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

30. Evil's Encore

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

31. T.G.I.S.

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

32. Food Around the Corner

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

33. O Mother, Where Art Thou?

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

34. Return to Forever

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

35. Mud Is Thicker Than Water

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

37. The Ultimate Heist

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

38. A Fistful of Brains

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

39. For a Few Brains More

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

40. Max's Monster

Grandpa Max's old Plumber partner, Phil, seeks Max's help to tame the monster within.

41. Something Zombozo This Way Comes

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

42. Mystery, Incorporeal

An old enemy emerges while Ben and Rook visit Kevin and Gwen at college.

43. Bengeance Is Mine

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

44. An American Benwolf in London

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

45. Animo Crackers

Dr. Animo from the future comes back to the present to help himself defeat Ben once and for all.

46. Rad Monster Party

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

48. The Vampire Strikes Back

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!

49. Catfight

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

50. Collect This

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

51. And Then There Were None

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

52. And Then There Was Ben

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

53. The Vengers

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

55. The Rooters of All Evil

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

57. No Honor Among Bros

Rook is under the influence of Fistrick's "bro" essence, and starts to act like a bro.

58. Universe vs. Tennyson

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

59. Weapon XI Part 1

Kevin and Argit attempt to warn the amalgam kids about the Rooters' intentions, while Ben, Rook and Gwen land themselves in the Null Void.

60. Weapon XI Part 2

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?

61. Clyde Five

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

62. Rook Tales

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

65. Fight at the Museum

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

68. Vreedlemania

Pa Vreedle reunites with Ma for all-out destruction.

69. It's a Mad, Mad, Mad Ben World Part 1

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

70. It's a Mad, Mad, Mad Ben World Part 2

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

71. From Hedorium to Eternity

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

73. Let's Do the Time War Again

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

74. The Secret of Dos Santos

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

76. The Final Countdown

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

77. Malgax Attacks

Ben finally manages to rid himself of Skurd ... just when he needs the slime biot most.

79. End of an Era

The Time War races towards its dramatic conclusion, with the fate of the entire universe resting in the hands of the Ben 10!

80. A New Dawn

The Time War brings Ben, Rook and George Washington together to battle an alien conqueror.