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.

23m

The Flame Keeper's Circle

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.

23m

Double or Nothing

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.

23m

The Perfect Girlfriend

Julie suddenly leaves a tennis tournament and spends all her time with Ben.

23m

The Ultimate Sacrifice

Ben's Ultimate transformations have developed their own personalities. Now they want their freedom from Ben.

23m

The Widening Gyre

Colonel Rozum asks the team to investigate an island of garbage where people have been disappearing.

23m

The Mother of All Vreedles

Ma Vreedle goes to Earth to expand her family by creating clones and using all the water on Earth.

23m

A Knight to Remember

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.

23m

Solitary Alignment

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.

23m

Inspector #13

A Techadon weapon master comes to Earth and wants the Ultimatrix.

23m

The Enemy of My Frenemy

Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster.

23m

Couples Retreat

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.

23m

Catch a Falling Star

Movie starlet Jennifer Nocturne is recaptured by the evil Captain Nemesis!

23m

The Eggman Cometh

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.

23m

Night of the Living Nightmare

Albedo attempts to get the ultimatrix by invading Ben's mind.

23m

The Beginning of the End

The final battle between the Forever Knights and Dagon's Esoterica is in full swing, with Ben caught in the middle!

23m

The Ultimate Enemy (1)

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

23m

The Ultimate Enemy (2)

Vilgax re-emerges in his most powerful form ever! Can Ben stop him and save the universe?