Gen Rex

Gen Rex is a episode of Zac 10 Master of the Ultimatrix.

Major Events
Rex gets Ben's Ultimatrix but then Ben gets it back.

Plot
While in a battle with Darkstar the Ultimatrix gets on Rex's wrist.

Characters
Zac

Ben

Kevin Levin

Gwen

Rex Sazalar

Optimus Prime

Azmuth

Villains
Darkstar

Nanite Alpha (flashback from Heroes United)

Stormtroopers

Aliens used
Aliens used by Zac:

Humungosaur

Ultimate Humungosaur

Clockwork

Iceburg

Heatblast

Upgrade

Aliens used by Ben:

Jetray

Wildvine

Cannonbolt

Aliens used by Rex:

Heatblast

Fourarms

Diamondhead (selected alien was Wildvine)

Greymatter

Humungosaur

Spells used
Aradico (used by Gwen)

Takeaoffa (used by Gwen)

Quotes
Ben: Wheres the Ultimatrix?

Rex: Cool watch!

Trivia
This is the first time Rex has Ben's Ultimatrix.