When Bart is forced to assist Principal Skinner in early-morning astronomy observations, he discovers a giant comet heading towards Springfield. Facing impending doom, the entire town shows up at the Flanders family bomb shelter.
| Creator | Matt Groening |
|---|---|
| Actor | Dan Castellaneta, Julie Kavner, Nancy Cartwright |
| Country | United States of America |
| Production | Gracie Films |