Season 8, Episode 1
Season 7 premiere: Stan buys a hot tub—that can sing. Cee-Lo Green provides his own voice and that of the hot tub. Gabourey Sidibe has a voice cameo as a party girl.
Original Air Date: Sep 25, 2011
Cee-Lo Green: Himself/Hot Tub
Kevin Michael Richardson: Principal Lewis
Gabourey Sidibe: Party Girl