You have got to be kidding!

"You have got to be kidding!" is an episode in Ben 10: Omega Factor.

Synopsis
Ben, Trip, and Rook investigate a distress signal on a distant planet, but what they find is something entirely different...

Ben:

 * Way Big
 * Tree Rex (Ben alien debut)

Trip:

 * Tombstone
 * Thumpback (debut)
 * Omega Articguana