Ben 10: Ultimate Alien

Ben 10: Ultimate Alien (2010 – 2012)

2010 • 2 seasons • Animation, Action & Adventure • TV-Y7

▲ +11301 #13841

On August 8, 2026

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photo from the episode

Episode 20 — The Widening Gyre

Season 2 • Ben 10: Ultimate Alien

Released: 2011-11-04 • Animation/Action & Adventure/Sci-Fi & Fantasy/Kids

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User score

Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.

Episodes

Episode 1
The Transmogrification of Eunice
2011-02-04

Episode 2
Eye of the Beholder
2011-02-11

Episode 3
Viktor: The Spoils
2011-02-18

Episode 4
The Big Story
2011-03-04

Episode 5
Girl Trouble
2011-03-11

Episode 6
Revenge of the Swarm
2011-03-18

Episode 7
The Creature from Beyond
2011-03-25

Episode 8
Basic Training
2011-04-01

Episode 9
It's Not Easy Being Gwen
2011-04-08

Episode 10
Ben 10,000 Returns
2011-04-15

Episode 11
Moon Struck
2011-04-22

Episode 12
Prisoner #775 Is Missing
2011-04-29

Episode 13
The Purge
2011-09-16

Episode 14
Simian Says
2011-09-23

Episode 15
Greetings from Techadon
2011-09-30

Episode 16
The Flame Keeper's Circle
2011-10-07

Episode 17
Double or Nothing
2011-10-14

Episode 18
The Perfect Girlfriend
2011-10-21

Episode 19
The Ultimate Sacrifice
2011-10-28

Episode 20
The Widening Gyre
2011-11-04

Episode 21
The Mother of All Vreedles
2011-11-18

Episode 22
A Knight to Remember
2011-12-02

Episode 23
Solitary Alignment
2011-12-09

Episode 24
Inspector #13
2012-02-04

Episode 25
The Enemy of My Frenemy
2012-02-11

Episode 26
Couples Retreat
2012-02-18

Episode 27
Catch a Falling Star
2012-02-25

Episode 28
The Eggman Cometh
2012-03-03

Episode 29
Night of the Living Nightmare
2012-03-10

Episode 30
The Beginning of the End
2012-03-17

Episode 31
The Ultimate Enemy (1)
2012-03-24

Episode 32
The Ultimate Enemy (2)
2012-03-31

Information

Creator	Duncan Rouleau
Episode air date	04.11.2011
Episode runtime	23 min
Episode rating	7.80
Genres	Animation / Action & Adventure / Sci-Fi & Fantasy / Kids
TMDB series rating	8.2
IMDb series rating	7.8
Series status	Ended
Age rating	7+
Country	US

Trailer

Cast

Yuri Lowenthal
Ben Tennyson (voice)

Ashley Johnson
Gwen Tennyson (voice)

Greg Cipes
Kevin Levin (voice)

Dee Bradley Baker

Dee Bradley Baker
Humungosaur (voice)

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Packages from Planet X

Codename: Kids Next Door

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Recommended shows

Ben 10: Alien Force

Ben 10: Omniverse

Agent P, Under C

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Critical Role Abridged

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