NOVA.

NOVA

The Planets: Inner Worlds

The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life. (60 minutes)

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UPCOMING EPISODES

Sun, 10/12 at 3:00 am on Austin PBS HDTV

Human: Into the Americas

Ancient humans' journey into an icy and perilous new land. (60 minutes)

Sun, 10/12 at 2:00 pm on Austin PBS HDTV

Human: Into the Americas

Ancient humans' journey into an icy and perilous new land. (60 minutes)

Tue, 10/14 at 6:00 pm on Austin PBS WORLD

Human: Into the Americas

Ancient humans' journey into an icy and perilous new land. (60 minutes)

Tue, 10/14 at 11:00 pm on Austin PBS WORLD

Human: Into the Americas

Ancient humans' journey into an icy and perilous new land. (60 minutes)

Wed, 10/15 at 7:00 am on Austin PBS WORLD

Human: Into the Americas

Ancient humans' journey into an icy and perilous new land. (60 minutes)

Wed, 10/15 at 8:00 pm on Austin PBS HDTV

Human: Building Empires

How two revolutionary ancient inventions changed the course of humanity forever. (60 minutes)

Thu, 10/16 at 1:30 am on Austin PBS HDTV

Human: Building Empires

How two revolutionary ancient inventions changed the course of humanity forever. (60 minutes)