“Marge vs. the Monorail” is the twelfth episode of Season 4. It originally aired on January 14, 1993. The episode was written by Conan O’Brien and directed by Rich Moore.
After getting $3 million from a fine due to Mr. Burns’s illegal disposal of nuclear waste, the town decides to spend money on a needless monorail ….built from shoddy materials. Leonard Nimoy guest voices as himself.