Ben 10 Omniverse:Ultimate Alien

Ben 10 Omniverse: Ultimate Alien is a spin-off series of Ben 10 Omniverse, created by Omni11, where Ben regains the ability to evolve his forms, by turning the new omnitrix to an even better ultimatrix than the first one.

Plot
Ben, along with Rook and the rest of the team, battle against five of their worst enemies. At major disadvantage, Asmuth creates another source to evolve Ben's form, making it easier to defeat their enemies

Characters
1. Ben Tennyson - World's greatest hero, and wielder of the new and improved, ultimatrix. Along with his partner Rook, cousin Gwen, Grandpa Max, and best friend Kevin, he saves the world from it's greatest threats.

2. Rook Blonko - Ben's new by the book, partner and plumber in training. Helping Ben with every threat he faces.

3. Max Tennyson - Ben's grandfather, and leader of the plumbers.

4. Gwen Tennyson - Also known as Lucky Girl, is Ben's cousin and helps him save the world using her magic, when she's not in college.

5. Kevin Levin - Ben's best friend, with the power to absorb matter, helps Ben save the world when he and Gwen come and visit.

Episodes
1. Ultimate Battle: part 1 - Ben must save Asmuth after he is captured by Albedo, who has released four of Ben's greatest enemies. Asmuth is forced to create an ultimate power source for Albedo, when he threatens to kill Ben.

2. Ultimate Battle: part 2 - Ben struggles to free Asmuth when five of his greatest enemies get upgraded. Gwen and Kevin join to help with what will be Ben's greatest battle yet.