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Reef Revival

Reef Revival

Season 3 Episode 302
26:46
Prescription: Oceans

Prescription: Oceans

Season 3 Episode 303
26:46
After the Spill

After the Spill

Season 3 Episode 304
26:47
Vanishing Whales

Vanishing Whales

Season 14 Episode 1401
26:42
Humpback Health

Humpback Health

Season 14 Episode 1402
26:42
Kelp: Hidden Treasure of the Salish Sea

Kelp: Hidden Treasure of the Salish Sea

Season 14 Episode 1403
26:42
Changing Seas Season 14

Saving Florida’s Starving Manatees

Season 14 Episode 1404
26:42
Mollusks: More than a Shell

Mollusks: More than a Shell

Season 15 Episode 1501
26:42
Sharks in Belize: Jaguars of the Sea

Sharks in Belize: Jaguars of the Sea

Season 15 Episode 1502
26:42
Bermuda: Life at Ocean's Edge

Bermuda: Life at Ocean's Edge

Season 15 Episode 1503
26:42
Life in the Dark: The Polar Night

Life in the Dark: The Polar Night

Season 15 Episode 1504
26:42
Ancient Adriatic: Croatia's Sunken History

Ancient Adriatic: Croatia's Sunken History

Season 16 Episode 1601
26:42
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Changing Seas

Alien Invaders

Season 3 Episode 301

In the waters of the western Atlantic and Caribbean, a voracious alien predator has taken hold. Native to the Indo-Pacific, the invasive lionfish is a major threat to biodiversity and the health of already stressed coral reef ecosystems.

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California Sea Otters: Life on the Edge
26:42
Experts study southern sea otters to ensure their longtime survival on California’s coast.
Maui Aloha ‘Āina: From Mauka to Makai
26:42
Islanders restore Maui's watersheds through traditional Hawaiian wisdom.
Eagle Rays: Soaring on Spotted Wings
26:42
Florida scientists make remarkable discoveries about whitespotted eagle rays.
Ancient Adriatic: Croatia's Sunken History
26:42
Marine archaeologists uncover a Roman shipwreck on Croatia's Adriatic Coast.
Life in the Dark: The Polar Night
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26:42
Researchers brave the Arctic’s cold and dark to reveal the mysteries of the Polar Night.
Bermuda: Life at Ocean's Edge
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26:42
Amid shipwrecks and shifting sands, Bermuda’s corals offer clues to climate resilience.
Sharks in Belize: Jaguars of the Sea
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26:42
Knowledgeable fishers collaborate with scientists to keep sharks abundant.
Mollusks: More than a Shell
26:42
Researchers and citizen scientists document the fascinating lives of seashells.
Changing Seas Season 14
Unlock with PBS Passport
26:42
Florida’s gentle giants are dying in record numbers.
Kelp: Hidden Treasure of the Salish Sea
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26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.
Humpback Health
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26:42
Scientists study the body size and health of humpback whales across their migratory cycle.
Vanishing Whales
26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.
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