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, 8/6 at 7:00 pm on Austin PBS HDTV

Exploring Costa Rica's biodiversity through its hummingbirds. (60 minutes)

Thu, 8/7 at 1:00 am on Austin PBS HDTV

Exploring Costa Rica's biodiversity through its hummingbirds. (60 minutes)

Sun, 8/10 at 3:00 am on Austin PBS HDTV

Exploring Costa Rica's biodiversity through its hummingbirds. (60 minutes)

Sun, 8/10 at 4:00 pm on Austin PBS HDTV

Exploring Costa Rica's biodiversity through its hummingbirds. (60 minutes)