George and Harold's school is embarking on an out-of-this-world adventure, joined by their principal Mr. Krupp. When danger looms, they simply snap their fingers, transforming Mr. Krupp into Captain Underpants, a superhero donning only his iconic cape and underwear.
1. Captain Underpants and the Frenzied Farts of Flabby Flabulous
Aired: Jul 13, 2018George and Harold get revenge on their gym teacher by writing him into a ridi...