The Simpsons Season 3 Episode 18
Separate Vocations
The results from their aptitude tests cause Bart and Lisa to make 180-degree turns in their behavior.
Guest Stars
Maggie Roswell
Miss Hoover / Mrs. Winfield (voice)
Russi Taylor
Sherri / Martin Prince (voice)
Tress MacNeille
Bad Girl #1 (voice)
Steve Allen
Bart's Altered Voice (voice)
Marcia Wallace
Edna Krabappel (voice)