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Professor Farnsworth submits his Death Clock in the Academy of Inventors ceremony, but his old rival Wernstrom tells him that he already submitted it last year. The Professor quickly comes up with another invention called the Smell-O-Scope, a device which can smell any object in space. He doesn't win any awards, but he builds it anyway. Fry uses the Smell-O-Scope to detect a big piece of garbage left over from the 20th century. It seems to be hurling through space and headed right for New York City. The Professor comes up with an idea to knock out the garbage ball with another big piece of garbage. Since the year 3000 is trashless, it's up to Fry to teach the crew about the value of throwing things away. Ron Popeil guest stars.