Captain Underpants and the Dastardly Deed of the Devious Diddlysaurus

Overview

Who knew a thawed-out dinosaur could read comics and pull pranks? Well, this one does -- and he's one of Harold and George's biggest fans.

Guest Stars

Laraine Newman

Ms. Ribble / Malison Saurus (voice)

Kevin Michael Richardson

Diddlysaurus / The Schmoozer (voice)