Halley's Comet
Halleys Comet
First appearance A Taste of Freedom

Halley's Comet is a comet that comes near Earth every 75.3 Earth years, and is full of ice. Because it is full of ice, it is the answer to global warming. The Planet Express crew visit Halley's Comet to get ice to dump into the sea on Earth, only to discover it is out of ice.

During the episode A Taste of Freedom, it is revealed that a battle was fought over Halley's Comet. During the battle, Old Man Waterfall lost his hand planting Earth's flag, "Old Freebie."

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