The Best The Ocean & Deep Sea Documentaries
100 hand-picked The Ocean & Deep Sea documentaries, free to watch in HD and 4K on Dr Documentary.
Wild Galapagos: In the Grip of the Ocean2022•50m•4K•★8.5
Travel to the Depths of Our Mysterious Oceans2023•1h 7m•4K•★8.5
David Attenborough Presents: Whale Wisdom2025•50m•4K•★8.5
Coral Reefs: Magic of the Indo-Pacific2025•51m•4K•★8.4
MBARI's Spectacular Deep-Sea Sightings from 2025 in Stunning 4K2025•4m•4K•★8.4
2+ Hours of Deep Sea Diving Into Untouched Marine Worlds2024•2h 45m•HD•★8.4
Titans of the Deep: The World of Whales2023•52m•HD•★8.4
Open Ocean: Secrets of the Deep Sea - Full Wildlife Documentary2025•26m•4K•★8.3
The Ocean's Deadliest Gathering2026•45m•4K•★8.3
Mexico's Underwater Wildlife Kingdom2025•50m•4K•★8.3
Are Whales Smarter Than We Think?2024•50m•4K•★8.3
The Living Ocean: Ultimate Oceans2026•45m•4K•★8.3
The Deep Ocean in 4K: Ultra HD Marine Life Exploration2024•1h 15m•4K•★8.3
Ocean Wildlife 4K: Journey to the Bottom of the Sea2026•29m•4K•★8.3
Sharks: The Big Five – Ocean's Ultimate Predators2025•51m•HD•★8.3
Killer Whales: The Amazing Journey of a Young Orca2023•50m•HD•★8.3
Wild Colombia: Rainforest and Ocean Paradise2025•2h 23m•HD•★8.3
World of the Wild: The Open Ocean2023•26m•4K•★8.2
100 Hours in Sri Lanka: Epic Food Tour Across the Pearl of the Indian Ocean2024•3h 41m•4K•★8.2
The Spectacular Underwater World of Coral Reefs2024•51m•4K•★8.2
North Atlantic: The Dark Ocean2023•28m•4K•★8.2
The Humboldt Current: Where Ocean and Desert Collide2026•51m•4K•★8.2
Into the Deep Sea of Alaska's Ocean2026•30m•4K•★8.2
Underwater Volcanoes: Oases of the Sea2023•46m•4K•★8.2
Garbage Island: An Ocean Full of Plastic2025•1h 6m•4K•★8.2
Mediterranean Mission - Civil Sea Rescue of Refugees2023•12m•HD•★8.2
Ocean Stories: Life Beneath the Waves2023•2h 27m•HD•★8.2
Oceans of Contrast: Colliding Oceans2025•51m•HD•★8.2
Wings of Freedom: The Last Wild Sea Eagle2025•1h 32m•HD•★8.2
Dark Secrets of the Black Sea: Drowned Civilization2025•55m•HD•★8.2
Whale Warriors: Saving Humpbacks2024•53m•HD•★8.2
The Wild Pacific: Gigantic Ocean Teeming with Life2022•52m•HD•★8.2
Sharks: Masters of the Ocean2025•50m•HD•★8.2
Our Oceans: Unlocking Underwater Secrets2023•4h 13m•HD•★8.2
Wild Canada: Polar Bears and Humpback Whales2025•52m•4K•★8.1
Wildest Middle East Episode 4: Caspian Sea2024•52m•4K•★8.1
Who Is Polluting the Ocean with Plastic?2024•16m•4K•★8.1
Adventure Ocean Quest: 24 Hours on the Reef2023•52m•4K•★8.1
Sea Ice Dangers: A Polar Bear Family Encounter2024•50m•4K•★8.1
Giants in Danger: The Battle for Whales2022•44m•HD•★8.1
Plastic Disaster - An Ocean Pollution Documentary2021•10m•HD•★8.1
Sharks: The Ocean's Apex Predators2024•3h 51m•HD•★8.1
The Insane Anatomy Of The Great White Shark - Inside Nature's Giants2025•50m•HD•★8.1
Creatures Of The Deep: Coral Reefs and Marine Wildlife (4K Documentary)2024•52m•HD•★8.1
The 6,000-Year-Old Mystery Of Human-Whale Communication2025•52m•HD•★8.1
The Lost Whale Ocean: What Happened to the Giants?2024•52m•4K•★8
Freaks of the Sea: The Ocean Top Predators2024•49m•4K•★8
Arctic Ocean Documentary 4K2026•3h 15m•4K•★8
The Chukchi Sea: Gateway to the Arctic2024•56m•4K•★8
Stunning 4K Underwater Nature Footage2025•2h 15m•4K•★8
The Deep Ocean2023•58m•4K•★8
Alien Creatures of the Deep Ocean2024•53m•4K•★8
The Mysteries of Earth's Largest Ocean2017•54m•4K•★8
The Dark Abyss: Monsters of the Deep Ocean2024•59m•4K•★8
Deep Ocean: A Silent Journey With Marine Giants2024•2h 31m•HD•★8.0
The Coral Triangle: Secrets of the Ocean's Last Paradise2025•2h 24m•HD•★8.0
The Coral Triangle - A Moveable Feast2022•51m•HD•★8.0
Why Do Sharks Attack Humans?2026•50m•HD•★8.0
Adventure Ocean Quest - 90 Min Special2023•1h 30m•HD•★8.0
Adventure Ocean Quest - Fragile Mediterranean2023•52m•HD•★8.0
Hydrofoils & Mega Ships: The New Age of Sea Travel2025•50m•HD•★8.0
An Hour in Sao Tome and Principe: Sea Turtles, Cocoa Beans and Medicinal Plants2025•52m•HD•★8.0
Shark Attacks2013•50m•HD•★8.0
Nature's Greatest Secret - The Coral Triangle2022•49m•HD•★8.0
The Creepiest Things at the Bottom of the Ocean2025•50m•HD•★8.0
The Spinning Dolphins of Brazil – Mystery of the Ocean Dance2025•44m•HD•★8.0
Shark Paradise of Polynesia2023•52m•HD•★8.0
Sea Legends: Unique Ancient Fishing Traditions That Still Survive2025•3h 51m•HD•★8.0
Men vs. Sharks2022•31m•HD•★8.0
Those Who Looked to the Sea: The Americas2023•52m•HD•★8.0
Jacques Cousteau: Explorer, Oceanaut and Inventor2021•4m•HD•★8
Women Earning Their Stripes in the Sea2023•51m•HD•★8.0
Deadly Dance Under the Sea2020•50m•HD•★8.0
A Sea of the Dead: Why the Mediterranean Has Become a Refugee Graveyard2026•59m•HD•★8.0
The Albedo Experiment: How Much Heat Does the Ocean Actually Absorb?2026•46m•HD•★8.0
Adventure Ocean Quest - The Giants of Rurutu2023•52m•HD•★8.0
No Cage. No Mercy. Freediving Eye-to-Eye With Great White Sharks2026•5h 47m•HD•★8.0
Pearl Harbor's First Shot: The Submarine Sighting That Went Ignored2026•50m•HD•★8.0
Why Did Nasa Secretly Send 6 Men to the Bottom of the Ocean in 1969?2026•47m•HD•★8.0
An Hour in Costa Rica: Volcanoes, Sea Turtles and the Call of the Wild2025•52m•HD•★8.0
Rare Look Inside a Nuclear Submarine, the USs Seawolf2019•52m•HD•★8.0
The Dead Sea Scrolls2019•57m•HD•★8.0
Fishpeople: Lives Transformed by the Sea2020•49m•HD•★8.0
A Rare Look Into the Revolutionary WWII Sea Hurricane2019•58m•HD•★8.0
The History of the Messerschmitt Bf109 & the Sea Hurricane2019•56m•HD•★8.0
The Science Behind Constructing the Worlds Longest Underwater Tunnel2019•52m•HD•★8.0
A Tour of Earth's Ancient Superoceans2021•43m•HD•★8.0
How Underwater Lost Treasures Are Creating a New Gold Rush2021•53m•HD•★8.0
What Happens to Plastic in the Ocean2022•53m•HD•★8.0
Chasing Coral2020•1h 28m•HD•★8.0
Is There a Mysterious Underwater City Beneath the Black Sea?2020•55m•HD•★8.0
The Sea Peoples & the Late Bronze Age Collapse2020•2h 29m•HD•★8.0
Raid on the Atlantic - Overfishing and Exploitation of the Sea2024•42m•HD•★8
The Artists of Burning Man: Building a Whale in the Black Rock Desert2021•52m•HD•★8.0
Thomas Cochrane: Craziest Sea Captain in History2021•1h 17m•HD•★8.0
Wildlife: Just Sharks2023•52m•HD•★8
The Underwater Wonderland of Australia2019•44m•HD•★8
Rise of the Great White Shark: A History 11 Million Years in the Making2024•49m•HD•★8
Natural Born Killers - The Science of Shark Attacks2014•50m•HD•★8.0
Closed Sea2018•1h 1m•HD•★8.0About this collection
More people have stood on the Moon than have visited the deepest ocean, and the films here show why it remains the planet's last frontier. This collection covers the reefs, the open ocean and the crushing dark of the abyss, along with the sharks, whales and stranger creatures that live there. 100 of the best, much of it shot in stunning 4K.
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