A series on astronomy.

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COSMOS on Blu-ray. Mind. Blown.
00:17 — The mind-blowing series is now available on Blu-ray with 2+ hours of spectacular extras.
Episode 13 - Inside Look
01:20 — Ann Druyan and Seth Reed take you inside The Library of Alexandria.
One Stroke of Genius
01:51 — Michael Faraday’s story shows us how just one stroke of genius can change the world. For more exclusive bonus content, tune in during National Geograp (more…)
Science as a "Candle in the Darkness"
01:51 — Ann Druyan and Neil deGrasse Tyson discuss global warming and evolution…and why they’re not as controversial as you might think. For more exclusive bo (more…)

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Episode 3 Season 0, Episode 3 May 24, 2010 Paid

The Doctor and his companions arrive on a large Ark in space and attempt to assist the residents. Unfortunately, they fall seriously ill with a common cold; a virus to which they've never been exposed before. The Doctor manages to find a cure and they leave, only to materialize in the same place but centuries later. The simple creatures who were servants in the past have revolted and seized control of the Ark. Soon a plot to destroy the Ark and all its human inhabitants is exposed, but can they find the bomb in time?

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  • Premise: A series on astronomy.