While the eclipse isn't the main focus, this clip shows how it saved the day, albeit temporarily.
"The Simpsons - Marge vs. the Monorail," Season 4, Episode 12
IMDB rating: 9/10
Description: After receiving a considerable donation of money, the people of Springfield decide what to spend it on. Enter Lyle Langley, a jocular salesman who gets Springfield hooked on a monorail system. After the monorail is up and running, and with Homer as the conductor, it's time for the maiden voyage. Little do the people know they have just boarded a one-way train to Hell.