Couples Retreat

Couples Retreat is the fourty-six episode of Ben 10: Ultimate Alien and the fourteenth episode of the third season.

Summary
Revealed by the TIme Warner Cable's Tv Guide, "Charmcaster and Darkstar join forces to take out Ben, Gwen and Kevin."

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin

Villains

 * Charmcaster
 * Darkstar

Trivia

 * This episode was confirmed here.