List of Ben 10: Ultimate Alien episodes

This is the list of episodes for the American animated television series Ben 10: Ultimate Alien. A total of fifty-two episodes have been ordered so far: twenty for the first season, and thirty-two for the second season.

Series overview

Seasons		Episodes	First Airdate	Last Airdate
	1	20	April 23, 2010	December 10, 2010
	2	32	February 4, 2011	N/A

Episodes

Season 1 (2010)

EP#	Title	Director	Writer(s)	Original U.S. Airdate	Prod. code
1	"Fame"	Dan Riba	Dwayne McDuffie	April 23, 2010 (2010-04-23)	101
Ben's secret identity is exposed, casting him into the spotlight. Elsewhere, an alien plans to detonate a nuclear bomb.
2	"Duped"	Butch Lukic	Len Uhley	April 30, 2010 (2010-04-30)	102
Ben feels the pressure of fame and finds a way to be in several places at once.
3	"Hit 'Em Where They Live"	Matt Youngberg	Len Wein	May 7, 2010 (2010-05-07)	103
The revelation of Ben's identity leaves him vulnerable as his enemies team up to attack his family.
4	"Video Games"	Dan Riba	Eugene Son	May 14, 2010 (2010-05-14)	104
Ben stars in a video game.
5	"Escape From Aggregor"	Butch Lukic	Charlotte Fullerton	May 21, 2010 (2010-05-21)	105
Five aliens plot to escape an unknown terror from their holding facility.
6	"Too Hot To Handle"	Matt Youngberg	Marty Isenberg	May 28, 2010 (2010-05-28)	106
P'andor dupes Kevin into releasing him from his containment unit.
7	"Andreas’ Fault"	Dan Riba	Ernie Altbacker Jim Krieg	June 4, 2010 (2010-06-04)	107
Thanks to a newfound 'friend', Argit lands a leadership position with the Forever Knights, much to the gang's chagrin.
8	"Fused"	Butch Lukic	Len Uhley	June 11, 2010 (2010-06-11)	108
Ben is stuck in alien form and is targeted by Aggregor, who plans to destroy him.
9	"Hero Time"	Matt Youngberg	Steven Barnes	June 18, 2010 (2010-06-18)	109
Ben is smitten with an actress he's dating. Meanwhile, Ben's childhood idol stages a comeback.
10	"Ultimate Aggregor"	Dan Riba	Dwayne McDuffie	October 10, 2010 (2010-10-10)	110
Aggregor's plot is unveiled. Could it be too late to thwart him?
11	"Map of Infinity"	Butch Lukic	Dwayne McDuffie	October 10, 2010 (2010-10-10)	111
The team track down a map that Aggregor's after on a half-frozen, half-molten planet.
12	"Reflected Glory"	Matt Youngberg	Peter David	October 15, 2010 (2010-10-15)	112
Cash and J.T. take credit for Ben's heroics.
13	"Deep"	Dan Riba	Marty Isenberg	October 22, 2010 (2010-10-22)	113
Ben, Gwen and Kevin go to a water planet, where they think they'll find Aggregor.
14	"Where the Magic Happens"	Butch Lukic	Matt Wayne	October 29, 2010 (2010-10-29)	114
ben and the guys go to a magic dimension, where they must rely on ben for their safety.
15	"Perplexahedron"	Matt Youngberg	Brian Swenlin	November 5, 2010 (2010-11-05)	115
Aggregor is tracked to a cube-like planet that holds a final piece of the map.
16	"The Forge of Creation"	Dan Riba	Dwayne McDuffie	November 12, 2010 (2010-11-12)	116
i was a viscous highway man.
17	"...Nor Iron Bars a Cage"	Dan Riba	Len Wein	November 19, 2010 (2010-11-19)	117
Ben and Gwen try to halt Kevin's frenzy on the prison planet Incarcicon, and discover his past.
18	"The Enemy Of My Enemy"	Matt Youngberg	Len Uhley	December 3, 2010 (2010-12-03)	118
Argit helps the Vreedle Brothers pass by infiltrating the Plumbers Academy.
19–20	"Absolute Power"	Dan Riba	Charlotte Fullerton	December 10, 2010 (2010-12-10)	119
Gwen seeks Darkstar's help before the gang face off against their friend-turned-foe.

Season 2 (2011-present)

EP#	Title	Director	Writer(s)	Original U.S. Airdate	Prod. code
21	"The Transmogrification of Eunice"	Dan Riba	Eugene Son	February 4, 2011 (2011-02-04)	201
The gang come across an amnesiac alien (Eunice, who is an unitrix) who's being "hunted" by Sunder.
22	"Eye of the Beholder"	Dan Riba	Len Uhley	February 11, 2011 (2011-02-11)	202
Ben and friends set out to rescue the captured Baz-El.
23	"Viktor: The Spoils"	Butch Lukic	Kevin Grevioux	February 18, 2011 (2011-02-18)	203
An aged monarch uses the frozen remains of Dr. Viktor as his new "body".
24	"The Big Story"	Matt Youngberg	Ernie Altbacker Jim Krieg	March 4, 2011 (2011-03-04)	204
Ben and Jimmy comes to the rescue when the gang face evil alien plants.
25	"Girl Trouble"	Dan Riba	Eugene Son	March 11, 2011 (2011-03-11)	205
Gwen's cousin visits, and she's hiding a secret.
26	"Revenge of the Swarm"	Butch Lukic	Stan Berkowitz	March 18, 2011 (2011-03-18)	206
Elena and the nanochips return with a twist.
27	"The Creature from Beyond"	Dan Riba	Len Uhley	March 25, 2011 (2011-03-25)	207
An evil creature has plans to enslave humans after his accidental release.
28	"Basic Training"	Butch Lukic	Adam Beechen	April 1, 2011 (2011-04-01)	208
Ben and the gang train at the Plumber's Academy.
29	"It's Not Easy Being Gwen"	Matt Youngberg	Matt Wayne	April 8, 2011 (2011-04-08)	209
Ben must juggle things around, in which she has to help Ben and Kevin re-capture Dr. Animo, fill out invitations for her mom's family reunion, help Kevin get into school, finish exams.
30	"Ben 10,000 Returns"	Matt Youngberg	Dwayne McDuffie	April 15, 2011 (2011-04-15)	210
Joining Paradox on the hunt for Eon, an enemy of a self from an alternate timeline, Ben meets his actual future self.
31	"Moonstruck"	Butch Lukic	Len Uhley	April 22, 2011 (2011-04-22)	211
The history of Max and Verdona Tennyson in flashbacks.
32	"Prisoner #775 Is Missing"	Dan Riba	Peter David	April 29, 2011 (2011-04-29)	212
The secrets of Area 51 are revealed to Ben Tennyson by Colonel Rozum after Old George infiltrates and destroys Area 51.
33	"The Purge"	Butch Lukic	David McDermott	September 16, 2011 (2011-09-16)	213
With the help of The Forever Knights, Old George starts a war against all aliens on Earth.
34	"Simian Says"	Matt Youngberg	Charlotte Fullerton	September 23, 2011 (2011-09-23)	214
A Xenocyte queen invades the Arachnachimps' planet.
35	"Greetings From Techadon"	Dan Riba	Eugene Son	September 30, 2011 (2011-09-30)	215
Techadon robots go after Ben on orders from Vulkanus.
36	"Flame Keeper's Circle"	Dan Riba	Brian Swenlin	October 7, 2011 (2011-10-07)	216
Julie joins a cult that worships Vilgax, thinking that he is someone else.
37	"Double or Nothing"	TBA	TBA	October 14, 2011 (2011-10-14)	TBA
Albedo profits from Ben's fame.
38	"The Perfect Girlfriend"	TBA	TBA	October 21, 2011 (2011-10-21)	TBA
Ben must choose Julie or Eunice.
39	"Ultimate Sacrifice"	TBA	TBA	October 28, 2011 (2011-10-28)	TBA
The Ultimate aliens want their freedom from the Ultimatrix.
40	"The Widening Gyre"	TBA	TBA	TBA	TBA
41	"The Mother of All Vreedles"	TBA	TBA	TBA	TBA
42	"A Knight to Remember"	TBA	TBA	TBA	TBA

DVD releases

Volume	Season	Aspect ratio	Episodes	Time length	Release date
Ben 10: Ultimate Alien - Escape From Aggregor	1	16:9	10 (Episodes 1-10)	223 minutes	January 11, 2011 December 1, 2010
Ben 10: Ultimate Alien - Power Struggle	1	16:9	10(Episodes 11-20)	230 minutes	May 3, 2011 April 5, 2011
Ben 10: Ultimate Alien - The Return of Heatblast	2	16:9	10 (Episodes 21-30)	230 minutes	August 2, 2011 September 11, 2011
Ben 10: Ultimate Alien - The Wild Truth	2	16:9	12 (Episodes 31-42)	TBA	December 6, 2011 November 30, 2011