Ben 10: Alien Universe
Season 1, Episode 11
Alienuniverse111.png
Zs'Skayr finding Hex (flashback)
Air date January 1, 2010
December 24, 2012 (BiA)
Written by Stripes
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Artificial Consequence
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Ben 10: Invasion of the Omnitrix
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X-Mas is the eleventh episode of the first season of Ben 10: Alien Universe.

Synopsis

After defeating his master, Hex—or as he would better prefer now, X has arrived on the scene of a Christmas-time Bellwood to ruin the spirits of the 10 Squad. Will the team be able to stop this menace from ruining the spirits for all of Bellwood? Will Kevin have any spirit?

Major Events

  • The true identity of "Mystery," the blue Cerebrocrustacean minion of Ghostfreak, is revealed to be Hex/"X".

Characters

Main Characters

  • Ben Tennyson
  • Gwen Tennyson
  • Kevin Levin

​Minor Characters

  • Azmuth

Main Villains

Neutral Villains

  • Ghostfreak (flashback)

Aliens Used

by Ben

  • Goop
  • Way Big
  • Upchuck
  • Diamondhead
  • Alien X
  • Big Chill
  • Lodestar
  • Swampfire
  • Humongousaur

​by Hex

  • Echo Echo

Trivia

  • Hex returns, but in the end, is trapped in a Petrosapien crystal just as he was originally found by Ghostfreak, as revealed through the flashback.
  • Hex had a similar appearance to Kevin.
  • Kevin has yet another change in appearance in this episode.
  • X-Mas is the first instance of a holiday-themed episode in the Alien Universe chronology, the second being Dial Z for Zombified, a Halloween special, and the third being Moira's Presents (which is actually a short).
    • Nonetheless, Dial Z for Zombified will be the first holiday-themed episode to air on the day of said holiday.
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