Ben 10: Ultimate Alien

Ben 10: Ultimate Alien (2010 – 2012)

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

▲ +11301 #13841

On August 8, 2026

#5935 ▼ 3228

5935th most popular TV show online

19 Popularity Score

Streaming on See all

Overview Watch Cast Seasons (2) Similar Videos Images

photo from the episode

Episode 31 — The Ultimate Enemy (1)

Season 2 • Ben 10: Ultimate Alien

Released: 2012-03-24 • Animation/Action & Adventure/Sci-Fi & Fantasy/Kids

86%

User score

Dagon is getting closer and closer to entering our dimension thanks to an old foe.

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	24.03.2012
Episode runtime	23 min
Episode rating	8.60
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)

Similar shows

The Graham Norton Show

Dragon Ball Super

Ben 10: Alien Force

Ben 10: Omniverse

Unbreakable Kimmy Schmidt

I'm in the Band

Down to Earth with Zac Efron

Pac-Man and the Ghostly Adventures

Queen of Hearts

We Never Learn: BOKUBEN

Kung Fu Panda: The Paws of Destiny

Eromanga Sensei

Packages from Planet X

Codename: Kids Next Door

Gremlins: Secrets of the Mogwai

Recommended shows

Ben 10: Alien Force

Ben 10: Omniverse

Agent P, Under C

Legion of Super Heroes

Critical Role Cooldown

Critical Role Abridged

The Mighty Nein

The Legend of Vox Machina

Icons Unearthed: Spider Man

Batman Unlimited

He-Man and the Masters of the Universe

← Previous episode Next episode →