This book trailer for the Captain Underpants series was originally the Mystery Book Theater video for our Superheroes (Kinda) theme. For more on Captain Underpants, check out our “Up, Up, and Away!” podcast.

What’s the number one most important part of a superhero’s outfit? If you guessed that it’s the cape, well… you’re WRONG! It’s actually the prominently displayed underwear! At least, that’s what Dav Pilkey’s Captain Underpants seems to think. Watch our video to meet this, uh, untraditional superhero!