With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.

32 Episodes

The Transmogrification of Eunice
Eye of the Beholder
Viktor: The Spoils
The Big Story
The Big StoryEpisode 4
Girl Trouble
Girl TroubleEpisode 5
Revenge of the Swarm
The Creature from Beyond
Basic Training
It’s Not Easy Being Gwen
Ben 10,000 Returns
Moon Struck
Moon StruckEpisode 11
Prisoner #775 is Missing
The Purge
The PurgeEpisode 13
Simian Says
Simian SaysEpisode 14
Greetings From Techadon
The Flame Keeper's Circle
Double or Nothing
The Perfect Girlfriend
The Ultimate Sacrifice
The Widening Gyre
The Mother of All Vreedles
A Knight to Remember
Solitary Alignment
Inspector #13
Inspector #13Episode 24
The Enemy of My Frenemy
Couples Retreat
Couples RetreatEpisode 26
Catch a Falling Star
The Eggman Cometh
Night of the Living Nightmare
The Beginning of the End
The Ultimate Enemy (1)
The Ultimate Enemy (2)

Cast of Ben 10: Ultimate Alien

YL
Yuri LowenthalBen Tennyson (voice)
AJ
Ashley JohnsonGwen Tennyson (voice)
GC
Greg CipesKevin Levin (voice)
DB
Dee Bradley BakerHumungosaur (voice)
JD
John DiMaggioAggregor (voice)
VP
Vyvan PhamJulie Yamamoto / Computer Voice (voice)
PE
Paul EidingMax Tennyson / Guard #1 / Guard #2 (voice)
PR
Peter RenadaySir George (voice)
SM
Scott MenvilleJimmy Jones (voice)
JL
Juliet LandauNatalie Tennyson / Melinda (voice)
JR
James RemarVilgax (voice)
AP
Alexander PolinskyArgit (voice)
KW
Kari WahlgrenCharmcaster (voice)
FT
Fred TatascioreStaradisimus / Forever Knight #3 (voice)
RP
Rob PaulsenTechnician / Rhomboid Vreedle / Engineer #2 (voice)
DM
David McCallumProfessor Paradox (voice)
DS
Dwight SchultzDr. Animo / Teacher #2 (voice)
JB
Jeff BennettMagister Labrid / Major General (voice)
WW
Wil WheatonMike Morningstar / Darkstar (voice)
PC
Patrick CavanaughWinston / Esoterica / Additional Voices (voice)
CP
Chris PrattCooper (voice)
GE
Greg EllisDagonet / Reporter Chet Rigby (voice)
PM
Peter MacNicolOliver / Forever Knight #1 (voice)
KR
Kevin Michael RichardsonMagister Pyke (voice)
SD
Sean DonnellanCameraman / Thug / Tech (voice)
JM
Jason MarsdenYoung Max Tennyson (voice)
JT
James Arnold TaylorAnnouncer / Fake Vilgax / Fridge (voice)
MQ
Molly C. QuinnEunice / Computer (voice)
TT
Tia TexadaElena Validus (voice)
RD
Robin Atkin DownesSir Cyrus / Additional Voices (voice)
RD
Richard DoyleDriscoll / Additional Voices (voice)
CM
Christopher McDonaldCaptain Nemesis (voice)
TP
Tara PlattJennifer Nocturne (voice)
ZR
Zeno RobinsonAlan Albright / Heatblast (voice)
PB
Powers BootheSunder (voice)
PS
Peter StormareKing Xarion / King Viktor (voice)
BL
Beth LittlefordSandra Tennyson (voice)
JS
J.K. SimmonsMagister Gilhil / Plumber (voice)
NG
Nicholas GuestSimons / Worker / Guest (voice)
ML
Matt LevinCash (voice)
TS
Tara StrongSerena / Young Ben Tennyson (voice)
XB
Xander BerkeleyWarden Morgg / Trukk (voice)
BG
Brian GeorgeVictor Valadis / Janitor (voice)
MF
Miguel FerrerMagister Hulka / Alpha #4 (voice)
CS
Charlie SchlatterTack / Plumber (voice)
OH
Olivia HackEmily (voice)
AW
Adam WyliePierce / Forever Knight #3 (voice)
DB
Diedrich BaderSimian (voice)
JP
Jon PolitoMizaru (voice)
KY
Keone YoungJulie's Dad / Repair Man / Cop (voice)
YA
Yeni AlvarezDr. Borges (voice)
BM
Bill MumyAgent Bryson (voice)
VL
Vicki LewisAgent Locke (voice)
DD
Diane DelanoMa Vreedle / Pretty Boy Vreedle (voice)
TM
Tress MacNeilleZennith (voice)
KP
Khary PaytonHex (voice)
MM
Marianne MuellerleileMaureen (voice)
DJ
Danny JacobsCaptain / Police Dispatch / Dr. Pervis (voice)
JP
Jim PiddockKing Urien / Color Commentator / Chair Umpire (voice)

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