Episode 302 - Are Octopuses Aliens?

Octopuses are strange. They have too many arms and each has its own brain. They can instantly change color, pattern, and texture to match their surroundings. They are shockingly smart. They are so different from other life on earth that some people think they weren't origianlly from here. Did an ocotopus ancestor crash-land here on the tail of a comet?