Ben 10: Ultimate Alien Season 5
Ben's biggest villains are back! First, Charmcaster and Darkstar team up to take their revenge. Then Albedo gets in Ben's head and brings his nastiest (more…)
Ben 10: Ultimate Alien Season 3
Ben's got some serious girl trouble in Season 3. First, the team discovers a strange alien girl with no memory of why Sunder is out to capture her. Th (more…)
Ben 10: Ultimate Alien Season 5
Ben's biggest villains are back! First, Charmcaster and Darkstar team up to take their revenge. Then Albedo gets in Ben's head and brings his nastiest (more…)
Ben 10: Ultimate Alien Season 4
Being a hero isn't all it's cracked up to be. Like when Albedo shows up and tries to make money off of Ben's fame. Then the ultimate aliens turn the t (more…)
Ben 10: Ultimate Alien Season 1
Now that Ben's hit the big time, his fame brings new challenges. His old enemies track him down and threaten his family. He lands a starring role in a (more…)
Ben 10: Ultimate Alien Season 4
Being a hero isn't all it's cracked up to be. Like when Albedo shows up and tries to make money off of Ben's fame. Then the ultimate aliens turn the t (more…)
Ben 10: Ultimate Alien Season 2
It's sink or swim for Ben, Kevin and Gwen when they dive to the center of an all-water planet in an attempt to capture Aggregor. Then Gwen takes the t (more…)
Ben 10: Ultimate Alien Season 2
It's sink or swim for Ben, Kevin and Gwen when they dive to the center of an all-water planet in an attempt to capture Aggregor. Then Gwen takes the t (more…)
Ben 10: Ultimate Alien Season 1
Now that Ben's hit the big time, his fame brings new challenges. His old enemies track him down and threaten his family. He lands a starring role in a (more…)
Ben 10: Ultimate Alien Season 3
Ben's got some serious girl trouble in Season 3. First, the team discovers a strange alien girl with no memory of why Sunder is out to capture her. Th (more…)
Alien Backfire
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Ben 10's Biggest Fan
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Welcome to Basic
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Magic Hacker
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Adwaita Freed
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Lucubra Attack
01:56 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Weapon Master
01:23 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Techadorian Multiblaster
01:44 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Behemoth Bargaining
01:55 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Dark Powers
01:16 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Back to Ledgerdomain
01:13 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Followers of the First Knight
01:48 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
One-Boy Alien Invasion
01:17 — Watch more Ben 10 Ultimate Alien on Cartoon Network!
Forever Knights Revenge
01:23 — Sir Daganet challenges Argit for control of the Forever Knights. Watch more Ben 10 Ultimate Alien on Cartoon Network!
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Cast & Details See all »

  • Premiered: April 23, 2010
  • Rating: TV-Y7
  • Premise: Animated series following 16-year-old Ben Tennyson, a newly famous superhero, as he fights villains using the Ultimatrix, a gadget that transforms him into an array of alien heroes. (more)

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