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

Tue, 5/12 at 6:00 pm on Austin PBS WORLD

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Tue, 5/12 at 11:00 pm on Austin PBS WORLD

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Wed, 5/13 at 7:00 am on Austin PBS WORLD

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Wed, 5/13 at 8:00 pm on Austin PBS HDTV