The Epic Tales of Captain Underpants Season 1 Episode 4
Captain Underpants and the Vexing Villiany of the Vile Vimpire
After Erica critiques their comic book, George and Harold create a brand-new character -- a vampire who sucks the joy out of everything.
Guest Stars
Evan Kishiyama
Steve 'Gooch' Yamaguchi (voice)
Erica Luttrell
Erica (voice)
David Koechner
Dr. Will Boryew (voice)