General | Episodes |
The following is a list of episodes for Ben 10: Ultimate Alien. A total fifty-two episodes were made. Episodes 1 through 10 were intended be season 1 and episodes 11 through 20 were to be season 2 but it was merged into one season due to Cartoon Network's schedule.
Season 1: 2010 (Episodes 1 - 20)[]
Image | Title | Number | Number overall | Original Airdate | |
---|---|---|---|---|---|
Fame | 1 | 99 | April 23, 2010 | ||
Ben's secret identity is exposed, casting him into the spotlight. Elsewhere, an alien plans to detonate a nuclear bomb. | |||||
File:AU ep 02 Duped.PNG | Duped | 2 | 100 | April 30, 2010 | |
Ben uses Echo Echo to make two clones of himself to attempt to be in three places at once. | |||||
File:UA03.png | Hit 'Em Where They Live | 3 | 101 | May 7, 2010 | |
Zombozo, Charmcaster and Vulkanus form an alliance and plan to ambush Ben's parents. | |||||
File:UA04.png | Video Games | 4 | 102 | May 14, 2010 | |
Will Harangue comes up with a mastermind plan to put an end to Ben, the 'menace'. | |||||
File:Escape From Aggregor.png | Escape From Aggregor | 5 | 103 | May 21, 2010 | |
The real story behind Aggregor and his escaped prisoners is revealed. | |||||
File:AU ep 6 Too Hot Too Handle.PNG | Too Hot To Handle | 6 | 104 | May 28, 2010 | |
After Kevin accidently releases Aggregor's third prisoner from a suit that protects others from his radiation, the gang has to stop him from radiating the Earth. | |||||
File:UA07.png | Andreas' Fault | 7 | 105 | June 4, 2010 | |
The gang encounter Argit, who has teamed up with the Forever Knights and Aggregor's fourth prisoner. | |||||
File:UA08.png | Fused | 8 | 106 | June 11, 2010 | |
Ben accidently gets fused with Aggregor's fifth prisoner who has no plans of getting out of his body... | |||||
File:Bennifer.png | Hero Time | 9 | 107 | June 18, 2010 | |
Ben's childhood hero makes a comeback while he's on a date with a beautiful, young movie actress. | |||||
File:Ultimate Aggregor.png | Ultimate Aggregor | 10 | 108 | October 10, 2010 | |
Aggregor, having recaptured the five aliens, puts his ultimate plan into action. | |||||
File:Map of Infinity.png | Map of Infinity | 11 | 109 | October 10, 2010 | |
Ben must stop the newly transformed and extremely dangerous Aggregor from attaining the first piece of the Map of Infinity. | |||||
File:Reflected Glory.png | Reflected Glory | 12 | 110 | October 15, 2010 | |
Cash and J.T. take credit for Ben's successes but Psyphon's comes back thinking J.T. and Cash were responsible for Vilgax's defeat. | |||||
Deep | 13 | 111 | October 22, 2010 | ||
Ben and the gang travel to a water planet in order to stop Aggregor from obtaining the second piece of the Map of Infinity. | |||||
File:Yahwahtacsip.PNG | Where the Magic Happens | 14 | 112 | October 29, 2010 | |
Gwen is forced to team up with her nemesis, Charmcaster, when the team finds themselves have to stop Aggregor in a hostile magical dimension. | |||||
File:Intheperplexahedron.jpg | Perplexahedron | 15 | 113 | November 5, 2010 | |
With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as the Perplexahedron. | |||||
File:Mother celetialsapien.PNG | The Forge of Creation | 16 | 114 | November 12, 2010 | |
When Aggregor goes after the limitless power of Alien X, the gang are forced to do whatever it takes... | |||||
File:LilKev.PNG | ...Nor Iron Bars a Cage | 17 | 115 | November 19, 2010 | |
Old feelings resurface when Kevin returns to the Null Void that housed him for years. | |||||
File:The Enemy of My Enemy.png | The Enemy of My Enemy | 18 | 116 | December 3, 2010 | |
Argit asks for protection from Ben and Gwen after Kevin decides to finish him off. | |||||
File:Kevinalan.png | Absolute Power: Part 1 | 19 | 117 | December 10, 2010 | |
When Ben and Gwen are faced with an unexpected enemy, Gwen turns to Darkstar for help. | |||||
File:Absolute power part 2.PNG | Absolute Power: Part 2 | 20 | 118 | December 10, 2010 | |
Gwen and Ben have to do whatever it takes to bring down the 'mad dog' Kevin. |
Season 2: 2011 (Episodes 21 - 32)[]
Image | Title | Number | Number overall | Original Airdate | |
---|---|---|---|---|---|
File:At the camp fire.PNG | The Transmogrification of Eunice | 21 | 119 | February 4, 2011 | |
The gang meet a new girl called Eunice and everything is going well....until Sunder shows up for her. | |||||
File:Eye of the beholer.png | Eye of the Beholder | 22 | 120 | February 11, 2011 | |
When Baz-El gets captured, it's up to Ben and the others to rescue him. | |||||
File:Vicktor UA2.jpg | Viktor: The Spoils | 23 | 121 | February 18, 2011 | |
The team are called in to investigate a dispute in the small country of Zarkovia. Once there, they discover an old enemy is about to be unleashed. | |||||
File:UA 24.PNG | The Big Story | 24 | 122 | March 4, 2011 | |
While looking for a story to put on his site, Jimmy sees a strange meteorite fall to Earth. | |||||
File:Girl Trouble.png | Girl Trouble | 25 | 123 | March 11, 2011 | |
Gwen is infuriated by the prospect of her cousin paying the team a visit, and it only gets worse when it is uncovered that her cousin is not entirely human..... | |||||
File:UA Revenge of the Swarm.PNG | Revenge of the Swarm | 26 | 124 | March 18, 2011 | |
The gang face the swarm again but this time with a new, more powerful queen. | |||||
File:Broken Seal.PNG | The Creature From Beyond | 27 | 125 | March 25, 2011 | |
An evil creature, released from another dimension, has plans to enslave the human race for its master after it's accidental release. | |||||
File:Taemtraining.png | Basic Training | 28 | 126 | April 1, 2011 | |
Ben, Gwen and Kevin are forced to go through basic training at the Plumber's Academy. | |||||
File:Gwen Waking Up.PNG | It's Not Easy Being Gwen | 29 | 127 | April 8, 2011 | |
A day in the hectic life of Gwen Tennyson. | |||||
Ben 10,000 Returns | 30 | 128 | April 15, 2011 | ||
Ben 10,000 returns to help Ben battle a new, dangerous threat. | |||||
File:Moonstruck slider.PNG | Moonstruck | 31 | 129 | April 22, 2011 | |
Max tells the kids about his first encounter with aliens and the story of how he and Verdona met and fell in love. | |||||
File:AU ep 32.PNG | Prisoner Number 775 is Missing | 32 | 130 | April 29, 2011 | |
The team takes a look at the real purpose of Area 51 and have to recapture an escaped alien prisoner. |
Season 3: 2011-2012 (Episodes 33 - 52)[]
Image | Title | Number | Number overall | Original Airdate | |
---|---|---|---|---|---|
File:The Purge.PNG | The Purge | 33 | 131 | September 16, 2011 | |
Old George brings the Forever Knights in one group in order to vanquish every alien being on Earth. | |||||
File:Simian Says.png | Simian Says | 34 | 132 | September 23, 2011 | |
A Xenocyte Queen takes over the Arachnichimps' home planet. | |||||
File:Covergrettingstechadon.png | Greetings from Techadon | 35 | 133 | September 30, 2011 | |
Ben finds himself in an inescapable situation when Techadons, custom-made to destroy him, start coming after him. | |||||
File:Copy of Flame Keepers circle.PNG | The Flame Keepers' Circle | 36 | 134 | October 07, 2011 | |
Julie joins a fanatical group who, unbeknownst to her, have discovered Vilgax and worship him. | |||||
File:Albedo Double or Nothing.png | Double or Nothing | 37 | 135 | October 14, 2011 | |
Albedo resurfaces, and he's making money off of Ben's fame. | |||||
File:TPGF.PNG | The Perfect Girlfriend | 38 | 136 | October 21, 2011 | |
The nanochips are back and have disguised themselves as Julie. | |||||
File:Freed Ultimates.PNG | The Ultimate Sacrifice | 39 | 137 | October 28, 2011 | |
The six Ultimate Forms demand their freedom from the Ultimatrix. | |||||
File:The Widening Gyre.png | The Widening Gyre | 40 | 138 | November 04, 2011 | |
The gang battles a new, dangerous threat in the Pacific Ocean. | |||||
File:Ma vreedle giving birth.PNG | The Mother of All Vreedles | 41 | 139 | November 18, 2011 | |
Ma Vreedle plans to create a clone army of her newest spawn, using all of Earth's seawater as a key ingredient in the cloning process. | |||||
File:Sir George with Diagon's heart.png | A Knight to Remember | 42 | 140 | December 02, 2011 | |
Vilgax and the Flame Keepers' Circle duel George and the Forever Knights, who oppose their goals of reviving Diagon. | |||||
Solitary Alignment | 43 | 141 | December 9, 2011 | ||
Azmuth reveals how Sir George got his sword and slayed Diagon, and the team decides to make a deal with the First Knight. | |||||
File:Inspector Number 13.jpg | Inspector 13 | 44 | 142 | February 4, 2012 | |
A mysterious weapon master from Techadon visits Earth and wants the Ultimatrix to enhance his creations. | |||||
File:Ben 10 AU ep 45.PNG | Enemy of My Frenemy | 45 | 143 | February 11, 2012 | |
Ben, Gwen and Kevin set out to rescue Charmcaster from Ledgerdomain, but unbeknownst to them, Charmcaster has plans of her own. | |||||
File:CouplesRetreat4.jpg | Couples Retreat | 46 | 144 | February 18, 2012 | |
Darkstar finds his way into Ledgerdomain, where he seduces Charmcaster, using her energies in his latest attempt to destroy Ben, Gwen and Kevin. | |||||
File:Swampfire in in Catch a Falling Star.PNG | Catch a Falling Star | 47 | 145 | February 25, 2012 | |
Movie star Jennifer Nocturne, who is not in her right mind, teams up with the evil Captain Nemesis. | |||||
File:Ben 10 AU ep 48.PNG | The Eggman Cometh | 48 | 146 | March 3, 2012 | |
Dr. Animo returns with an army of dragon-like mutants, while Ben has his own problems with his new transformation, Jury Rigg. | |||||
File:Vlcsnap-2012-03-10-15h52m54s125.png | Night of the Living Nightmare | 49 | 147 | March 10, 2012 | |
Albedo tries to reclaim the Ultimatrix from Ben by transporting him into one of his own worst dreams. | |||||
File:Heatblast Sir George Vilgax.png | The Beginning of the End | 50 | 148 | March 17, 2012 | |
The Flame Keepers' Circle try to release Diagon from his dimension, but Vilgax (fused with a Lucubra) is released instead. | |||||
File:Diagon Vilgax Psyphon.png | The Ultimate Enemy: Part 1 | 51 | 149 | March 24, 2012 | |
Diagon breaks out of the Seal and turns all humans into Flame Keepers' Circle Soldiers. | |||||
File:Giganyte Supremo vs. Diagon!.png | The Ultimate Enemy: Part 2 | 52 | 150 | March 31, 2012 | |
Vilgax betrays Diagon so that he can absorb all of his power to destroy his one true enemy: Ben Tennyson. |
Specials[]
Image | Title | Number | Number overall | Original Airdate | |
---|---|---|---|---|---|
File:Heroes United Opening.png | Heroes United | N/A | 1 | November 25, 2011 | |
After arriving in Rex's world, Ben Tennyson has no other choice than to team up with Providence's secret weapon - Rex Salazar - in order to defeat a new, very dangerous threat. |