Helga and Arnold fall asleep and have their own "parody/dream" of the opera Carmen.
Quest roles:
Olivia Hack(Rhonda Wellington Lloyd (voice)), Lane Toran(Arnold (voice)), Ben Diskin(Eugene Horowitz (voice)), Adam Wylie, Craig Bartlett(Brainy (voice; uncredited)), Sam Gifaldi(Sid (voice)), Christopher Walberg(Stinky Peterson (voice)), Lacey Chabert(Ruth P. McDougal (voice))