And Then There Were None

And There Were None is an upcoming episode of Ben 10: Omniverse.

Plot
Vilgax and Eon team up to wipe out every Ben in every dimension!

Characters

 * Ben Tennyson
 * Rook Blonko

Villains

 * Vilgax
 * Eon

Allusions

 * And Then There Were None, along with And Then There Was Ben, are names parodying the title of the very first episode of Ben 10, And Then There Were 10.
 * "And Then There Were None" is the title of a mystery novel by Agatha Christie.

Trivia

 * Even though this episode is part of the Galactic Monsters arc, it didn't have the Galactic Monsters theme song at the beginning not intended by the producers.