Seasons and episodes
1Season 1 Apr. 23, 2010
1 - 1Ben 10 Ultimate Alien: Fame Apr. 23, 2010
1 - 2Duped Apr. 30, 2010
1 - 3Hit 'Em Where They Live May. 07, 2010
1 - 4Computer Games May. 14, 2010
1 - 5Escape from Aggregor May. 21, 2010
1 - 6Too Hot to Handle May. 28, 2010
1 - 7Andreas' Fault Jun. 04, 2010
1 - 8Fused Jun. 11, 2010
1 - 9Hero Time Jun. 18, 2010
1 - 10Ultimate Aggregor Oct. 10, 2010
1 - 11Map of Infinity Oct. 10, 2010
1 - 12Reflected Glory Oct. 15, 2010
1 - 13Deep Oct. 22, 2010
1 - 14Where the Magic Happens Oct. 29, 2010
1 - 15Perplexhahedron Nov. 05, 2010
1 - 16The Forge Of Creation Nov. 12, 2010
1 - 17Nor Iron Bars A Cage Nov. 19, 2010
1 - 18The Enemy of My Enemy Dec. 03, 2010
1 - 19Absolute Power Part 1 of 2 Dec. 10, 2010
1 - 20Absolute Power Part 2 of 2 Dec. 10, 2010
2Season 2 Feb. 04, 2011
2 - 1The Transmogrification of Eunice Feb. 04, 2011
2 - 2Eye of the Beholder Feb. 11, 2011
2 - 3Viktor: The Spoils Feb. 18, 2011
2 - 4The Big Story Mar. 04, 2011
2 - 5Girl Trouble Mar. 11, 2011
2 - 6Revenge of the Swarm Mar. 18, 2011
2 - 7The Creature from Beyond Mar. 25, 2011
2 - 8Basic Training Apr. 01, 2011
2 - 9It’s Not Easy Being Gwen Apr. 08, 2011
2 - 10Ben 10,000 Returns Apr. 15, 2011
2 - 11Moon Struck Apr. 22, 2011
2 - 12Prisoner #775 is Missing Apr. 29, 2011
2 - 13The Purge Sep. 16, 2011
2 - 14Simian Says Sep. 23, 2011
2 - 15Greetings From Techadon Sep. 30, 2011
2 - 16The Flame Keeper's Circle Oct. 07, 2011
2 - 17Double or Nothing Oct. 14, 2011
2 - 18The Perfect Girlfriend Oct. 21, 2011
2 - 19Ultimate Sacrifice Oct. 28, 2011
2 - 20The Widening Gyre Nov. 04, 2011
2 - 21The Mother of All Vreedles Nov. 18, 2011
2 - 22A Knight to Remember Dec. 02, 2011
2 - 23Solitary Alignment Dec. 09, 2011
2 - 24Inspector #13 Feb. 04, 2012
2 - 25The Enemy of My Frenemy Feb. 11, 2012
2 - 26Couples Retreat Feb. 18, 2012
2 - 27Catch a Falling Star Feb. 25, 2012
2 - 28The Eggman Cometh Mar. 03, 2012
2 - 29Night of the Living Nightmare Mar. 10, 2012
2 - 30The Beginning of the End Mar. 17, 2012
2 - 31The Ultimate Enemy Part 1 Mar. 24, 2012
2 - 32The Ultimate Enemy Part 2 Mar. 31, 2012
Creator
Creator
Cast
Gwen Tennyson
Humungosaur
Kevin Levin
Ben Tennyson
Aggregor
Darkstar
Julie Yamamoto
Azmuth
Sir George
Synopsis
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. 
Original title Ben 10: Ultimate Alien
TMDb Rating 8.2 394 votes
First air date Apr. 23, 2010
Last air date Mar. 31, 2012
Seasons 2
Episodes 52
Average Duration 23 minutes
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