 The episode was directed by Mark Kirkland , and written by David Sacks . It features numerous guest stars , including Anne Bancroft as Dr. Zweig . Additionally , Ted <unk> , Woody <unk> , Rhea <unk> , John Ratzenberger , and George <unk> appear as their characters from Cheers . It received positive reception from television critics , and acquired a Nielsen rating of 9 @.@ 6 . The authors of I Can 't Believe It 's a Bigger and Better Updated Unofficial Simpsons Guide commented positively on the episode , as did reviews from DVD Verdict and DVD Movie Guide . 
