The Simpsons - Season 9 (1997) (season)
USA,
1998, 22 min
Directed by:
Susie DietterScreenplay:
Ned GoldreyerComposer:
Alf ClausenCast:
Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Harry Shearer, Hank Azaria, Tress MacNeille, Marcia Wallace, Russi Taylor, Maggie Roswell, Phil Hartman, Pamela HaydenVOD (1)
Plots(1)
Lisa is horrified to learn that she might be losing her intelligence. Then she is relieved to learn that smarts in the Simpson family are passed down in a very surprising manner. (Prime Video)