The Great Gig in the Sky - Lucifer's Hammer

Total Persons on watch for Dark Asteroids : 11
Average Persons Employed at a McDonald's : 12
Last Asteroid Near-Miss: 240,000 Miles, 1998
Times Mass Extinction has occurred to Date: 6

Cometary fragments the size of a small house, strike our upper atmosphere on average once every sixty seconds, vaporizing to water.