The New Alien Force, Part 2 (Ben 10: The Ultimate Omniverse episode)

Major Events

 * Overkill is unlocked in the Omnitrix and used for the first time.
 * Astrodactyl, Arctiguana, Rath, and Shocksquatch make their debuts in this series

Characters

 * Ben Tennyson
 * Kevin Levin
 * Rook Blonko
 * Max Tennyson

Villains

 * Albedo
 * Fridge
 * Swamps

Aliens Used
By Albedo
 * Astrodactyl
 * Arctiguana
 * Rath
 * Shocksquatch
 * Overkill

—Ultimate Big Chill

—Ultimate Spider-Monkey

—Ultimate Rath

—Ultimate Arctiguana

—Ultimate Gravattack

—Ultimate Heatblast

—Ultimate Way Big

Trivia

 * When Ben first uses Overkill, he states that he has been saving his name for a long time, referencing how, six years prior, he shouted “Overkill” when he first turned into Chamalien in “Ultimate Alien”