Where to stream

Ben 10: Ultimate Alien

8.220102 seasonsTV-Y7TV SeriesAnimationAction & AdventureSci-Fi & Fantasy

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.

Where to watch

Not available in United Kingdom

Streaming in 43 other countries

Ben 10: Ultimate Alien isn't on any streaming service in United Kingdom right now, but it's available in Antigua & Barbuda, Argentina, Australia, Bahamas and 39 more. Streaming rights are licensed per country.

Seasons & Episodes

The Transmogrification of Eunice

Feb 4, 2011 8.7

Eye of the Beholder

Feb 11, 2011 8.2

Viktor: The Spoils

Feb 18, 2011 8.0

The Big Story

Mar 4, 2011 8.0

Girl Trouble

Mar 11, 2011 8.0

Revenge of the Swarm

Mar 18, 2011 8.7

The Creature from Beyond

Mar 25, 2011 8.3

Basic Training

Apr 1, 2011 8.3

It's Not Easy Being Gwen

Apr 8, 2011 8.7

E10

Ben 10,000 Returns

Apr 15, 2011 9.0

E11

Moon Struck

Apr 22, 2011 8.7

E12

Prisoner #775 Is Missing

Apr 29, 2011 8.5

E13

The Purge

Sep 16, 2011 8.3

E14

Simian Says

Sep 23, 2011 7.8

E15

Greetings from Techadon

Sep 30, 2011 8.3

E16

The Flame Keeper's Circle

Oct 7, 2011 8.5

E17

Double or Nothing

Oct 14, 2011 8.7

E18

The Perfect Girlfriend

Oct 21, 2011 7.8

E19

The Ultimate Sacrifice

Oct 28, 2011 8.5

E20

The Widening Gyre

Nov 4, 2011 7.8

E21

The Mother of All Vreedles

Nov 18, 2011 7.0

E22

A Knight to Remember

Dec 2, 2011 8.0

E23

Solitary Alignment

Dec 9, 2011 8.8

E24

Inspector #13

Feb 4, 2012 8.7

E25

The Enemy of My Frenemy

Feb 11, 2012 9.4

E26

Couples Retreat

Feb 18, 2012 9.4

E27

Catch a Falling Star

Feb 25, 2012 9.0

E28

The Eggman Cometh

Mar 3, 2012 7.8

E29

Night of the Living Nightmare

Mar 10, 2012 8.2

E30

The Beginning of the End

Mar 17, 2012 8.3

E31

The Ultimate Enemy (1)

Mar 24, 2012 8.5

E32

The Ultimate Enemy (2)

Mar 31, 2012 8.5

Cast

Yuri Lowenthal

Ben Tennyson (voice)

Ashley Johnson

Gwen Tennyson (voice)

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Ben 10: Ultimate Alien — streaming FAQ

Which OTT platform streams Ben 10: Ultimate Alien?

Ben 10: Ultimate Alien isn't on any streaming service in United Kingdom yet, but it's available in Antigua & Barbuda, Argentina and Australia and other countries. Streaming rights differ by country — switch your country in the header to see where.

Is Ben 10: Ultimate Alien on Netflix?

No, Ben 10: Ultimate Alien is not on Netflix in United Kingdom as of August 2026.

Is Ben 10: Ultimate Alien on Amazon Prime Video?

No, Ben 10: Ultimate Alien isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch Ben 10: Ultimate Alien for free?

Ben 10: Ultimate Alien isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

How many seasons are in Ben 10: Ultimate Alien?

Ben 10: Ultimate Alien has 2 seasons in total (52 episodes). The series concluded in 2012.

Are all episodes of Ben 10: Ultimate Alien out yet?

Yes — all 52 episodes across 2 seasons of Ben 10: Ultimate Alien are out and available to stream.

Is there a Season 3 of Ben 10: Ultimate Alien?

No — Ben 10: Ultimate Alien ended after 2 seasons, so there is no Season 3.