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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
Tuberculosis: The Forgotten Plague

Tuberculosis: The Forgotten Plague

Season 6 Episode 5
26:49
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Changing Seas

The Elephant Seals of Año Nuevo

Season 17 Episode 1704

Along the rugged Northern California coast, Año Nuevo State Park harbors a thriving colony of elephant seals, where science and nature intertwine. For over 50 years, University of California Santa Cruz researchers, spanning three generations, have worked alongside seven generations of seals to better understand their life cycles and ocean health.
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Grouper Moon
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27:01
Season 4 Episode 403
Grouper Moon
The Cayman Islands are home to the last great reproductive population of grouper.
Mysterious Microbes
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29:33
Season 4 Episode 402
Mysterious Microbes
Scientists work to identify and link a devastating coral disease to a human pathogen.
Tracking Tigers
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27:16
Season 4 Episode 401
Tracking Tigers
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
After the Spill
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26:47
Season 3 Episode 304
After the Spill
Oceanographers continue to study the long term effects of an oil spill.
Prescription: Oceans
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26:46
Season 3 Episode 303
Prescription: Oceans
A group of scientists tests sea sponges for potential anti-cancer properties.
Reef Revival
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26:46
Season 3 Episode 302
Reef Revival
Explore the emerging science of coral reef restoration.
Alien Invaders
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26:49
Season 3 Episode 301
Alien Invaders
The invasive lionfish is a major threat to biodiversity and a stressed coral reef.
Seagrasses and Mangroves
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26:48
Season 2 Episode 203
Seagrasses and Mangroves
Examine the important role seagrasses and mangroves play in the ocean’s web of life.
Sentinels of the Seas
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26:51
Season 2 Episode 202
Sentinels of the Seas
Take a look at the health of the bottlenose dolphin.
No Fish Left Uncounted
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26:51
Season 2 Episode 201
No Fish Left Uncounted
The Changing Seas crew shadows a team of research divers in Dry Tortugas National Park.
Farming the Sea
26:45
Season 1 Episode 4
Farming the Sea
Scientists develop sustainable aquaculture methods to take the pressure off wild fish.
Corals of the Deep
26:46
Season 1 Episode 3
Corals of the Deep
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.
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