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Shows like Falling Skies: When Aliens Invade TV

After they got tired of anal probing night-fishermen, the extraterrestrials in this list decided to invade earth; a trickier proposition, but probably less depressing on the day in day out.

UFO and Alien Documentaries

If ancient aliens and UFOs seem like crackpot theories to you, just remember that astronomers estimate there are 100 billion (with a "b") Earth-like habitable planets in the Milky Way.