NOVA.

NOVA

Australia's First 4 Billion Years: Monsters

Some of the largest and most dangerous reptiles to walk the Earth shared space with mammals such as the platypus. (60 minutes)

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UPCOMING EPISODES

Sun, 1/11 at 4:00 pm on Austin PBS HDTV

Arctic Sinkholes

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. (60 minutes)

Tue, 1/13 at 6:00 pm on Austin PBS WORLD

Arctic Sinkholes

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. (60 minutes)

Tue, 1/13 at 11:00 pm on Austin PBS WORLD

Arctic Sinkholes

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. (60 minutes)

Wed, 1/14 at 7:00 am on Austin PBS WORLD

Arctic Sinkholes

Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas. (60 minutes)

Wed, 1/14 at 8:00 pm on Austin PBS HDTV

What Are UFOs?

Astrophysicists and engineers look at evidence that supports the existence of UFOs. (60 minutes)

Thu, 1/15 at 1:00 am on Austin PBS HDTV

What Are UFOs?

Astrophysicists and engineers look at evidence that supports the existence of UFOs. (60 minutes)

Sun, 1/18 at 3:00 am on Austin PBS HDTV

What Are UFOs?

Astrophysicists and engineers look at evidence that supports the existence of UFOs. (60 minutes)