TV series
There's a time to go hero, and there's a time to go ultimate!
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.
Streaming, rental and purchase options
Checked Sep 5, 2026
Ben 10: Ultimate Alien is available to stream on DirecTV On Demand, Spectrum On Demand, and YouTube TV in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
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.
Choose an episode, then use the watch options above for the show.
Episode 1
Ben's secret is out. As Ben deals with his newfound fame, a new threat emerges as a thief steals parts of a new advanced spaceship from NASA.
Directed by Dan RibaWritten by Dwayne McDuffieGuest stars Scott Menville, John DiMaggio, Vyvan Pham
Episode 2
Ben is supposed to attend a tournament to support his girlfriend, but the Forever Knights are trying to break into a museum. Ben tries to use the Ultimatrix to handle all his obligations.
Directed by Butch LukicWritten by Len UhleyGuest stars Jim Piddock, John DiMaggio, Vyvan Pham
Episode 3
After Jimmy Jones reveals Ben's identity, some of his enemies (such as Zombozo, Rojo, Charmcaster, Vulkanus, and Sevenseven) team up to try to attack his family. Now Ben and his friends have to protect them no matter what.
Directed by Matt YoungbergWritten by Len WeinGuest stars Beth Littleford, Paul Eiding, Kari Wahlgren, John DiMaggio
Episode 4
Ben gets an offer to star in his own video game, but the designer's real motives are part of a plan to destroy Ben.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Peter MacNicol, John DiMaggio
Episode 5
The team encounters another alien who escaped from Aggregor and, through him, learns more about Aggregor's goals.
Directed by Butch LukicWritten by Charlotte Fullerton, Joe Casey, Joe KellyGuest stars J.K. Simmons, Dwight Schultz, John DiMaggio
Episode 6
P'Andor, escaped from Aggregor, now wants help to escape his encapsulating suit, but Kevin's the first to perceive that that's a fatally bad idea.
Directed by Matt YoungbergWritten by Marty Isenberg, Joe Casey, Joe KellyGuest stars Fred Tatasciore, John DiMaggio
Episode 7
Then team encounters another of Aggregor's escaped prisoners, Andreas, whom Argit is using as part of a scheme against the Forever Knights.
Directed by Dan RibaWritten by Ernie Altbacker, Joe Casey, Joe KellyGuest stars Scott Menville, Greg Ellis, Alexander Polinsky, John DiMaggio, Vyvan Pham
Episode 8
Ra'ad, the last of Aggregor's escaped prisoners, attacks Ben and informs the team of the true fate of his comrades. He finds a safe hiding place but one that endangers Ben in the process.
Directed by Dan RibaWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars John DiMaggio
Episode 9
Ben meets his hero, Captain Nemesis, who's become jealous of all the attention Ben attracts.
Directed by Matt YoungbergWritten by Steven Barnes, Joe Casey, Joe KellyGuest stars Nicholas Guest, Christopher McDonald, Tara Platt, John DiMaggio, Vyvan Pham, Sean Donnellan
Episode 10
Aggregor has all five aliens. The Plumbers manage to disable Aggregor's ship, forcing Aggregor to find a new way to absorb their powers. The team makes a last ditch effort to save the alien prisoners.
Directed by Matt YoungbergWritten by Joe Casey, Matt Youngberg, Joe KellyGuest stars Paul Eiding, David McCallum, John DiMaggio
Episode 11
Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars Jeff Bennett, Paul Eiding, John DiMaggio
Episode 12
Cash and JT convince the team to allow them to take credit for the team's actions so they can earn money for Cash's mother's operation.
Directed by Matt YoungbergWritten by Peter David, Joe Casey, Joe KellyGuest stars Peter MacNicol, Matt Levin, Scott Menville
Episode 13
Aggregor is after the next piece of the map on a watery planet.
Directed by Dan RibaWritten by Marty Isenberg, Joe Casey, Joe KellyGuest stars Kevin Michael Richardson, John DiMaggio
Episode 14
Aggregor escapes to a magical dimension. Gwen asks for Charmcaster's help to pursue him. The team learns about Charmcaster's past and why she's willing to help them now.
Directed by Butch LukicWritten by Joe Casey, Joe KellyGuest stars Kari Wahlgren, John DiMaggio
Episode 15
With the fourth piece of the Map of Infinity almost in Aggregor's clutches, the gang chase him through the artificial planetoid known as Perplexahedron.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars Jeff Bennett, John DiMaggio
Episode 16
As the team makes its final attempt to stop Aggregor, they find an unexpected ally, and one person will make a fateful decision with lasting repercussions.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Jeff Bennett, Tara Strong, David McCallum, John DiMaggio
Episode 17
Kevin's out for payback on anyone who has ever crossed him. His next stop is a prison in the Null Void. Ben and Gwen try to stop him, where Ben comes to a grim decision.
Directed by Butch LukicWritten by Joe Casey, Joe KellyGuest stars Xander Berkeley, Fred Tatasciore, Kevin Michael Richardson
Episode 18
Argit asks Ben and Gwen for protection from Kevin, so they take him to the nearest Plumbers Academy, but that won't stop Kevin.
Directed by Matt YoungbergWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars Rob Paulsen, Alexander Polinsky, John DiMaggio, Jeff Bennett
Episode 19
Kevin starts going after Plumbers kids to gain more power. Ben and Gwen continue to argue about how to handle the situation. Gwen tries to find someone who will help her cure Kevin.
Directed by Dan RibaWritten by Charlotte Fullerton, Joe Casey, Joe KellyGuest stars Paul Eiding, Wil Wheaton, Zeno Robinson, John DiMaggio
Episode 20
Final confrontation with Kevin. While Gwen makes a last ditch effort to save Kevin, Ben fights an all out battle with Kevin.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Chris Pratt, Paul Eiding, Wil Wheaton, Zeno Robinson, John DiMaggio
Episode information updated Sep 17, 2026
Yuri LowenthalBen Tennyson (voice)
Ashley JohnsonGwen Tennyson (voice)
Greg CipesKevin Levin (voice)
Dee Bradley BakerHumungosaur (voice)
Jeff BennettMagister Labrid / Major General (voice)
Chris PrattCooper (voice)
Fred TatascioreStaradisimus / Forever Knight #3 (voice)
Greg EllisPrince Gyula / Cyborg #2 (voice)
Cartoon NetworkUnited States
Cartoon Network StudiosUnited States
