Beyond the Sea

Beyond the Sea is the twenty-first episode of Ben 10: Ultimate Alien.

Air Date
December 3rd, 2010

Summary
Feeling depressed, Cooper wishes that he was never the same chubby way, and falls in love with a mermaid named Mariella. Meanwhile, Ben and the others try to stop the Bermuda Triangle Aliens from destroying the ocean.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Alan Albright
 * Cooper Daniels (Main Character in this episode)
 * Helen Wheels
 * Manny Armstrong
 * Pierce
 * Mariella

Villains

 * Bermuda Triangle Aliens

Aliens Used

 * Heatblast