The Simpsons Season 11 Episode 2
Brother's Little Helper
When Bart commits an extremely destructive prank, he is given Focusyn, a pill to help him concentrate in school. At first the results are impressive, and then Bart starts believing in a conspiracy involving spy satellites and major league baseball.
Guest Stars
Mark McGwire
Mark McGwire (voice)
Marcia Wallace
Edna Krabappel (voice)
Maggie Roswell
Maude Flanders #1 (voice)
Marcia Mitzman Gaven
Maude Flanders #2 (voice)
Russi Taylor
Martin Prince / Sherri (voice)