Nature

Expedition Killer Whale

Scientists and filmmakers explore the icy waters of Antarctica to observe how killer whales hunt. (60 minutes)

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UPCOMING EPISODES

Wed, 10/15 at 7:00 pm on Austin PBS HDTV

A family of mouse-eared bats struggle to bring up their young in the ruined walls of Transylvania in central Romania. (60 minutes)

Thu, 10/16 at 12:30 am on Austin PBS HDTV

A family of mouse-eared bats struggle to bring up their young in the ruined walls of Transylvania in central Romania. (60 minutes)

Sun, 10/19 at 4:00 am on Austin PBS HDTV

A family of mouse-eared bats struggle to bring up their young in the ruined walls of Transylvania in central Romania. (60 minutes)

Sun, 10/19 at 5:00 pm on Austin PBS HDTV

A family of mouse-eared bats struggle to bring up their young in the ruined walls of Transylvania in central Romania. (60 minutes)

Wed, 10/22 at 7:00 pm on Austin PBS HDTV

A paleontologist embarks on an Arctic adventure to see how the walrus copes as the sea ice melts. (60 minutes)

Thu, 10/23 at 12:30 am on Austin PBS HDTV

A paleontologist embarks on an Arctic adventure to see how the walrus copes as the sea ice melts. (60 minutes)