Ben 10: Ultimate Alien - Season 2
1 - The Transmogrification of Eunice
Air Date: February 4, 2011
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.
2 - Eye of the Beholder
Air Date: February 11, 2011
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.
3 - Viktor: The Spoils
Air Date: February 18, 2011
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.
4 - The Big Story
Air Date: March 4, 2011
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.
5 - Girl Trouble
Air Date: March 11, 2011
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.
6 - Revenge of the Swarm
Air Date: March 18, 2011
Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
7 - The Creature from Beyond
Air Date: March 25, 2011
The Forever Knights unleash an evil force mistaken for an ancient weapon.
8 - Basic Training
Air Date: April 1, 2011
Ben, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.
9 - It's Not Easy Being Gwen
Air Date: April 8, 2011
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.
10 - Ben 10,000 Returns
Air Date: April 15, 2011
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.
11 - Moon Struck
Air Date: April 22, 2011
Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
12 - Prisoner #775 Is Missing
Air Date: April 29, 2011
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.
13 - The Purge
Air Date: September 16, 2011
Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
14 - Simian Says
Air Date: September 23, 2011
Simian asks the team for help when a DNAlien takes over his home world.
15 - Greetings from Techadon
Air Date: September 30, 2011
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.
16 - The Flame Keeper's Circle
Air Date: October 7, 2011
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.
17 - Double or Nothing
Air Date: October 14, 2011
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.
18 - The Perfect Girlfriend
Air Date: October 21, 2011
Julie suddenly leaves a tennis tournament and spends all her time with Ben.
19 - The Ultimate Sacrifice
Air Date: October 28, 2011
Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
20 - The Widening Gyre
Air Date: November 4, 2011
Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
21 - The Mother of All Vreedles
Air Date: November 18, 2011
Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
22 - A Knight to Remember
Air Date: December 2, 2011
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.
23 - Solitary Alignment
Air Date: December 9, 2011
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.
24 - Inspector #13
Air Date: February 4, 2012
A Techadon weapon master comes to Earth and wants the Ultimatrix.
25 - The Enemy of My Frenemy
Air Date: February 11, 2012
Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.
26 - Couples Retreat
Air Date: February 18, 2012
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.
27 - Catch a Falling Star
Air Date: February 25, 2012
Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
28 - The Eggman Cometh
Air Date: March 3, 2012
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.
29 - Night of the Living Nightmare
Air Date: March 10, 2012
Albedo attempts to get the ultimatrix by invading Ben's mind.
30 - The Beginning of the End
Air Date: March 17, 2012
The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
31 - The Ultimate Enemy (1)
Air Date: March 24, 2012
Dagon is getting closer and closer to entering our dimension thanks to an old foe.
32 - The Ultimate Enemy (2)
Air Date: March 31, 2012
Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?