Ben 10: Omniverse

Season 7, Episode 2

Episode Title: Rook Tales

Air Date: 2014-10-21

Overview:

Master Kundo, Rook's former teacher is willing to save Revonnahgander traditions at any cost by preventing Rook's sister, Rook Sharr from going to the Plumber Academy so she wouldn't be able to become a Plumber.