Speed of Sound

Speed Of Sound is the one hundred and thirty-third episode of Ben 10.

Major Events

 * Ben discovers the Omni-Kix.
 * Omni-Kix XLR8 makes his debut.

Omnitrix Alien Debuts

 * Omni-Kix XLR8

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Max Tennyson

By Ben

 * XLR8
 * Omni-Kix XLR8