Cosmos: Possible Worlds - Season 1 Episode 7

Seasons & Episodes

Episode 1

Cosmos Season 1 Episode 1

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Episode 2

Cosmos Season 1 Episode 2

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Episode 3

Cosmos Season 1 Episode 3

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Episode 4

Cosmos Season 1 Episode 4

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Episode 5

Cosmos Season 1 Episode 5

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Episode 6

Cosmos Season 1 Episode 6

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Episode 7 Current

Cosmos Season 1 Episode 7

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Episode 8

Cosmos Season 1 Episode 8

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Episode 9

Cosmos Season 1 Episode 9

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Episode 10

Cosmos Season 1 Episode 10

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Episode 11

Cosmos Season 1 Episode 11

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Episode 12

Cosmos Season 1 Episode 12

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Episode 13

Cosmos Season 1 Episode 13

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Cosmos: Possible Worlds

Overview

To determine the true age of the Earth, geochemist Clair Patterson developed the uranium-lead dating method to make an unprecedented discovery – calculating Earth\’s age of 4.5 billion years. But Patterson\’s groundbreaking discoveries were just beginning. Patterson made it his mission to draw public attention to the detrimental effects of lead in the environment and dedicated his career to fighting against the petroleum and chemical industry, eventually achieving public health\’s biggest victory of the 20th century.

Ratings

IMDb 8.8

Details

Episode Title The Clean Room
Airdate 2014-04-20
Director Brannon Braga
Metacritic: 83
FilmAffinity: 8.6