A Big Piece of Garbage (S01E08)

A massive chunk of trash, unleashed a millennium ago, is heading toward Earth with intent to obliterate it. Fry, Leela, and Bender try to attach a bomb to it, but their efforts fall short. The city must now construct another colossal piece of garbage to counteract the threat, but this poses a challenge since there’s no actual waste in the year 3000.