Ultimatrix Problem

Ultimatrix Problem is the 2nd episode of Ben 10-Generator Rex: Heroes.

Major Events

 * Van Kliess returns
 * Van Kliess ruins the Ultimatrix
 * Kevin, Gwen, and Rex turn into Ben's aliens

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Rex Sazalar
 * Bobo Haha

Villains

 * Van Kliess
 * Vilgax (flashback)

Aliens Used by Ben:

 * Rath
 * Stinkfly
 * Fasttrack
 * Fouarms

Aliens Used by Rex:

 * Diamondhead
 * Jetray
 * NRG
 * Goop
 * Ripjaws
 * XLR8
 * Humungosaur

Aliens Used by Gwen:

 * Chromastone
 * Bigchill
 * Heatblast
 * Brainstorm
 * Clockwork
 * XLR8
 * Rath

Aliens Used by Kevin:

 * Fourarms
 * Echo Echo
 * Ultimate Echo Echo
 * Ditto
 * Eatle
 * Spidermonkey
 * XLR8
 * Wildvine

Trivia

 * This episode is like "Inspector # 13".