Donnie Quixote

S40 E325: Bert & Ernie are squires to the famous knight, Donnie Quixote. Unfortunately for them, Donnie happens to be quite old and, withouthis glasses, blind as a bat. When Donnie loses his glasses, and startsthinking all the blurry shapes around him are monsters and dragons, Bert & Ernie need to figure out how to get those glasses to stay on Donnie's face!