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Vanishing Whales

Vanishing Whales

Preview
5:37
Costa Rica's Surfing Paradise

Costa Rica's Surfing Paradise

Season 17 Episode 1701
26:46
Whales in a Plastic Ocean

Whales in a Plastic Ocean

Season 17 Episode 1702
26:46
Mystery of the Spinning Fish

Mystery of the Spinning Fish

Season 17 Episode 1703
26:42
The Elephant Seals of Año Nuevo

The Elephant Seals of Año Nuevo

Season 17 Episode 1704
26:42
Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Changing Seas

Humpback Health

How does the body size and overall health of humpback whales change across their migratory cycle? A team of researchers studying the animals, which spend part of the year feeding in Alaska and a few months fasting while in their Hawaiian breeding grounds, is making remarkable discoveries.

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Corals of the Deep
26:46
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.
Mission to Inner Space
26:49
Scientists at the world’s only underwater lab study the impacts of ocean acidification.
Super Grouper
26:54
After being fished to near extinction, Goliath Groupers are making a comeback in Florida.
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