Ben 10: Ultimate Alien (Season 2)

The Transmogrification of Eunice (Episode 1) 8.8

Writer: Joe Casey

Air date: 2011-02-04

Runtime: 23 min

Overview: A mysterious alien girl named Eunice has no memory and is being hunted by Sunder. While evading Sunder, Ben soon discovers that Eunice has nature-based abilities.

Eye of the Beholder (Episode 2) 8.2

Writer: Len Uhley

Air date: 2011-02-11

Runtime: 23 min

Overview: Ben, Julie and the rest of the heroic crew embark on a dangerous journey that could cost them all their lives in an effort to achieve the safe return of Ship and his former owner Baz-L.

Viktor: The Spoils (Episode 3) 8.0

Writer: Joe Casey

Air date: 2011-02-18

Runtime: 23 min

Overview: The King of Zarkovia asks the team for help with a civil war. The team agrees to help when they find out Dr. Viktor may be involved.

The Big Story (Episode 4) 8.0

Writer: Ernie Altbacker

Air date: 2011-03-04

Runtime: 23 min

Overview: Jimmy Jones is looking for the biggest new story he and Ben can tackle, but thats when he stumbles upon a strange pink tentacled creature which crashed from the sky into a near by cave.

Girl Trouble (Episode 5) 8.0

Writer: Joe Casey

Air date: 2011-03-11

Runtime: 23 min

Overview: Gwen is excited by the prospect of her cousin Sunny paying the team a visit while dealing with the Robots of Dimension 12. But her excitement quickly turns into trepidation when it is uncovered that her cousin is not all that she appears and has some particularly sinister intentions.

Revenge of the Swarm (Episode 6) 8.8

Writer: Joe Casey

Air date: 2011-03-18

Runtime: 23 min

Overview: Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.

The Creature from Beyond (Episode 7) 8.4

Writer: Len Uhley

Air date: 2011-03-25

Runtime: 23 min

Overview: The Forever Knights unleash an evil force mistaken for an ancient weapon.

Basic Training (Episode 8) 8.4

Writer: Joe Casey

Air date: 2011-04-01

Runtime: 23 min

Overview: Ben, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.

It's Not Easy Being Gwen (Episode 9) 8.8

Writer: Joe Casey

Air date: 2011-04-08

Runtime: 23 min

Overview: Gwen has always been a multi-tasker, trying to juggle school, hobbies, friends and her work as a hero, waking up early and going to sleep late. But Gwen's already packed day is about to get worse when Dr. Animo attacks with an army of giant frogs and Gwen is forced to make a hard choice.

Ben 10,000 Returns (Episode 10) 9.0

Writer: Joe Casey

Air date: 2011-04-15

Runtime: 23 min

Overview: Following a visit from Paradox after a fight with Eon, Ben 10,000 arrives 20 years from the future to seek the aid of his past counterpart in tracking down Eon.

Moon Struck (Episode 11) 8.8

Writer: Len Uhley

Air date: 2011-04-22

Runtime: 23 min

Overview: Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.

Prisoner #775 Is Missing (Episode 12) 8.6

Writer: Peter David

Air date: 2011-04-29

Runtime: 23 min

Overview: After a base is attacked, Max is infuriated when they learn it was a secret alien prison facility. While Max argues with the officer in charge, the team tries to locate an escaped prisoner.

The Purge (Episode 13) 8.4

Writer: Joe Casey

Air date: 2011-09-16

Runtime: 23 min

Overview: Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.

Simian Says (Episode 14) 8.0

Writer: Charlotte Fullerton

Air date: 2011-09-23

Runtime: 23 min

Overview: Simian asks the team for help when a DNAlien takes over his home world.

Greetings from Techadon (Episode 15) 8.4

Writer: Charlotte Fullerton

Air date: 2011-09-30

Runtime: 23 min

Overview: Ben faces Tecadon killer robots that have been programmed to kill him. Each robot is more powerful than the last one. Ben's only chance to survive is for Gwen to find out who commissioned the robots.

The Flame Keeper's Circle (Episode 16) 8.6

Writer: Joe Casey

Air date: 2011-10-07

Runtime: 23 min

Overview: Julie gets Ben to visit a charity organization who wants to improve the world with alien technology. Ben soon discovers the charity's benefactor is an old enemy.

Double or Nothing (Episode 17) 8.8

Writer: Len Uhley

Air date: 2011-10-14

Runtime: 23 min

Overview: Ben finds out there's a new show called 'Ben 10: Live." He finds an old enemy running the show and cashing in on his fame.

The Perfect Girlfriend (Episode 18) 8.0

Writer: Joe Casey

Air date: 2011-10-21

Runtime: 23 min

Overview: Julie suddenly leaves a tennis tournament and spends all her time with Ben.

The Ultimate Sacrifice (Episode 19) 8.4

Writer: Joe Casey

Air date: 2011-10-28

Runtime: 23 min

Overview: Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.

The Widening Gyre (Episode 20) 7.8

Writer: Joe Casey

Air date: 2011-11-04

Runtime: 23 min

Overview: Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.

The Mother of All Vreedles (Episode 21) 7.0

Writer: Joe Casey

Air date: 2011-11-18

Runtime: 23 min

Overview: Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.

A Knight to Remember (Episode 22) 8.0

Writer: Len Uhley

Air date: 2011-12-02

Runtime: 23 min

Overview: The Flame Keepers realize their mistake too late. Vilgax wants the power of Daigon. The Forever Knights are out to destroy Daigon. Ben and the team try to sort things out.

Solitary Alignment (Episode 23) 9.0

Writer: Peter David

Air date: 2011-12-09

Runtime: 23 min

Overview: Azmuth reveals the origin of the sword and how he first encountered Old George. Ben comes to a decision on how to handle the Daigon.

Inspector #13 (Episode 24) 8.8

Writer: Geoffrey Thorne

Air date: 2012-02-04

Runtime: 23 min

Overview: A Techadon weapon master comes to Earth and wants the Ultimatrix.

The Enemy of My Frenemy (Episode 25) 9.5

Writer: Brian Swenlin

Air date: 2012-02-11

Runtime: 23 min

Overview: Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.

Couples Retreat (Episode 26) 9.5

Writer: Geoffrey Thorne

Air date: 2012-02-18

Runtime: 23 min

Overview: After Darkstar opens the Door to Anywhere, Charmcaster comes through, and the two team up to give Ben, Gwen, and Kevin the fight of a lifetime.

Catch a Falling Star (Episode 27) 9.0

Writer: Len Uhley

Air date: 2012-02-25

Runtime: 23 min

Overview: Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!

The Eggman Cometh (Episode 28) 7.8

Air date: 2012-03-03

Runtime: 23 min

Overview: Dr. Animo is unexpectedly paroled from prison and starts up a company selling eggs, which in fact contain mutant dinosaurs which he wishes to distribute around the world.

Night of the Living Nightmare (Episode 29) 8.2

Air date: 2012-03-10

Runtime: 23 min

Overview: Albedo attempts to get the ultimatrix by invading Ben's mind.

The Beginning of the End (Episode 30) 8.4

Writer: Charlotte Fullerton

Air date: 2012-03-17

Runtime: 23 min

Overview: The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!

The Ultimate Enemy (1) (Episode 31) 8.6

Writer: Matt Wayne

Air date: 2012-03-24

Runtime: 23 min

Overview: Dagon is getting closer and closer to entering our dimension thanks to an old foe.

The Ultimate Enemy (2) (Episode 32) 8.4

Writer: Dwayne McDuffie

Air date: 2012-03-31

Runtime: 23 min

Overview: Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?