In the Dark of the Night

A Ben 10: Star Command Files episode.

Story
When NOS-4-A2 bites into the Ultimatrix, he begins to take control of Ben's alien forms. Now the rangers not only have to stop the energy vampire, but one of they're own instead.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Buzz Lightyear
 * Mira Nova
 * Booster
 * XR
 * Commander Nebula
 * LGMs

Villains

 * NOS-4-A2

Aliens Used

 * Goop
 * Fourarms (controlled by NOS-4-A2)
 * Chromastone (controlled by NOS-4-A2)
 * Brainstorm (controlled by NOS-4-A2)
 * Upgrade

Trivia

 * The Fourarms, Chromastone, and Brainstorm transformations are more like transformations from the original series since NOS-4-A2 is controlling them.