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 Jul 22, 2026
Ben 10: Ultimate Alien is available to stream on DirecTV On Demand, YouTube TV, and Spectrum On Demand 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
A mysterious alien girl named Eunice has no memory and is being hunted by Sunder. While evading Sunder, Ben soon discovers that Eunice has nature-based abilities.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars Jeff Bennett, Powers Boothe, Molly C. Quinn
Episode 2
Ben, Julie and the rest of the heroic crew embark on a dangerous journey that could cost them all their lives in an effort to achieve the safe return of Ship and his former owner Baz-L.
Directed by Dan RibaWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars Rob Paulsen, Fred Tatasciore, Scott Menville
Episode 3
The King of Zarkovia asks the team for help with a civil war. The team agrees to help when they find out Dr. Viktor may be involved.
Directed by Butch LukicWritten by Joe Casey, Joe Kelly, Kevin GreviouxGuest stars Juliet Landau, Greg Ellis, Peter Stormare
Episode 4
Jimmy Jones is looking for the biggest new story he and Ben can tackle, but thats when he stumbles upon a strange pink tentacled creature which crashed from the sky into a near by cave.
Directed by Matt YoungbergWritten by Ernie Altbacker, Joe Casey, Joe KellyGuest stars Scott Menville, John DiMaggio
Episode 5
Gwen is excited by the prospect of her cousin Sunny paying the team a visit while dealing with the Robots of Dimension 12. But her excitement quickly turns into trepidation when it is uncovered that her cousin is not all that she appears and has some particularly sinister intentions.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Jason Marsden, Juliet Landau
Episode 6
Victor Validus resurfaces and attacks Ben at night. Elena Validus and the nanochips return.
Directed by Butch LukicWritten by Joe Casey, Joe Kelly, Stan BerkowitzGuest stars Brian George, Tia Texada, Vyvan Pham
Episode 7
The Forever Knights unleash an evil force mistaken for an ancient weapon.
Directed by Dan RibaWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars Robin Atkin Downes, Patrick Cavanaugh
Episode 8
Ben, Gwen, and Kevin are summoned to a Plumbers' Academy to go under training that is supervised by Magister Hulka.
Directed by Butch LukicWritten by Joe Casey, Joe Kelly, Adam BeechenGuest stars Miguel Ferrer, James Arnold Taylor, Charlie Schlatter
Episode 9
Gwen has always been a multi-tasker, trying to juggle school, hobbies, friends and her work as a hero, waking up early and going to sleep late. But Gwen's already packed day is about to get worse when Dr. Animo attacks with an army of giant frogs and Gwen is forced to make a hard choice.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars Olivia Hack, Dwight Schultz, Juliet Landau
Episode 10
Following a visit from Paradox after a fight with Eon, Ben 10,000 arrives 20 years from the future to seek the aid of his past counterpart in tracking down Eon.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars David McCallum, Sean Donnellan
Episode 11
Grandpa Max tells the team about his first UFO encounter, which led him to meet Verdona.
Directed by Butch LukicWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars Paul Eiding, Jeff Bennett, Juliet Landau, Jason Marsden
Episode 12
After a base is attacked, Max is infuriated when they learn it was a secret alien prison facility. While Max argues with the officer in charge, the team tries to locate an escaped prisoner.
Directed by Dan RibaWritten by Peter David, Joe Casey, Joe KellyGuest stars Chris Pratt, Paul Eiding, John DiMaggio
Episode 13
Old George, the original Forever Knight, reclaims his position, and orders the Knights to remove all aliens on Earth.
Directed by Butch LukicWritten by Joe Casey, Joe KellyGuest stars Peter Renaday, Adam Wylie, Alexander Polinsky, Richard Doyle
Episode 14
Simian asks the team for help when a DNAlien takes over his home world.
Directed by Matt YoungbergWritten by Charlotte Fullerton, Joe Casey, Joe KellyGuest stars Jeff Bennett, Molly C. Quinn, Diedrich Bader, Jon Polito
Episode 15
Ben faces Tecadon killer robots that have been programmed to kill him. Each robot is more powerful than the last one. Ben's only chance to survive is for Gwen to find out who commissioned the robots.
Directed by Dan RibaWritten by Charlotte Fullerton, Joe Casey, Joe KellyGuest stars Alexander Polinsky, John DiMaggio, Vyvan Pham
Episode 16
Julie gets Ben to visit a charity organization who wants to improve the world with alien technology. Ben soon discovers the charity's benefactor is an old enemy.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Vyvan Pham, John DiMaggio, James Remar
Episode 17
Ben finds out there's a new show called 'Ben 10: Live." He finds an old enemy running the show and cashing in on his fame.
Directed by Matt YoungbergWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars John DiMaggio, Jeff Bennett, James Arnold Taylor
Episode 18
Julie suddenly leaves a tennis tournament and spends all her time with Ben.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Tia Texada, Keone Young, Vyvan Pham
Episode 19
Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.
Directed by Butch LukicWritten by Joe Casey, Joe Kelly, J. M. DeMatteisGuest stars Jeff Bennett, Yeni Alvarez
Episode 20
Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.
Directed by Matt YoungbergWritten by Joe Casey, Joe KellyGuest stars Bill Mumy, Vicki Lewis, John DiMaggio
Episode 21
Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.
Directed by Dan RibaWritten by Joe Casey, Joe KellyGuest stars Diane Delano, Rob Paulsen, John DiMaggio
Episode 22
The Flame Keepers realize their mistake too late. Vilgax wants the power of Daigon. The Forever Knights are out to destroy Daigon. Ben and the team try to sort things out.
Directed by Butch LukicWritten by Len Uhley, Joe Casey, Duncan RouleauGuest stars Robin Atkin Downes, Richard Doyle, Patrick Cavanaugh, John DiMaggio, James Remar, Peter Renaday
Episode 23
Azmuth reveals the origin of the sword and how he first encountered Old George. Ben comes to a decision on how to handle the Daigon.
Directed by Matt YoungbergWritten by Peter DavidGuest stars Jeff Bennett, Peter Renaday, Tress MacNeille
Episode 24
A Techadon weapon master comes to Earth and wants the Ultimatrix.
Directed by Butch LukicWritten by Geoffrey ThorneGuest stars Vyvan Pham
Episode 25
Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.
Directed by Matt YoungbergWritten by Brian Swenlin, David McDermottGuest stars Khary Payton, John DiMaggio, Kari Wahlgren
Episode 26
After Darkstar opens the Door to Anywhere, Charmcaster comes through, and the two team up to give Ben, Gwen, and Kevin the fight of a lifetime.
Directed by Dan RibaWritten by Geoffrey ThorneGuest stars Kari Wahlgren, Wil Wheaton
Episode 27
Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!
Directed by Butch LukicWritten by Len UhleyGuest stars Christopher McDonald, Marianne Muellerleile, Tara Platt, Danny Jacobs
Episode 28
Dr. Animo is unexpectedly paroled from prison and starts up a company selling eggs, which in fact contain mutant dinosaurs which he wishes to distribute around the world.
Guest stars Dwight Schultz, Juliet Landau
Episode 29
Albedo attempts to get the ultimatrix by invading Ben's mind.
Directed by Dan Riba
Episode 30
The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!
Directed by Butch LukicWritten by Charlotte Fullerton, Eugene SonGuest stars Patrick Cavanaugh, James Remar, Peter Renaday, John DiMaggio
Episode 31
Dagon is getting closer and closer to entering our dimension thanks to an old foe.
Directed by Matt YoungbergWritten by Matt WayneGuest stars James Remar, Peter Renaday, John DiMaggio, Vyvan Pham
Episode 32
Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?
Directed by Dan RibaWritten by Dwayne McDuffieGuest stars Jeff Bennett, James Remar, Peter Renaday, John DiMaggio, Vyvan Pham
Episode information updated Jul 24, 2026
Yuri LowenthalBen Tennyson (voice)
Ashley JohnsonGwen Tennyson (voice)
Greg CipesKevin Levin (voice)
Dee Bradley BakerHumungosaur (voice)
Jeff BennettAzmuth (voice)
Chris PrattCooper (voice)
Greg EllisDagonet / Reporter Chet Rigby (voice)
Scott MenvilleJimmy Jones (voice)
Cartoon NetworkUnited States
Cartoon Network StudiosUnited StatesMore shows like Ben 10: Ultimate Alien.
