Grade a Cheater is the eleventh episode in season 3 of Life With Derek and the 37th episode overall. It aired on September 11, 2007 on Disney Channel.


Derek switches test papers with Casey, and then lures her into a scheme that will keep them both out of trouble; Edwin, Lizzie, and Marti feel that they are doing too many chores for the amount of allowance they are getting.


Main Cast

Guest Cast