The Greatest Mysteries of the Pacific Ocean | Drain the Oceans | Mega Episode
This comprehensive episode of Drain the Oceans features five full segments exploring unexplained events and mysteries in the Pacific Ocean, including the Great Barrier Reef and other enigmatic phenomena.

National Geographic
658.2K views • Aug 2, 2025

About this video
In this Drain the Oceans mega episode, five full episodes explore unexplained events in the Pacific Ocean.
The Great Barrier Reef
The mysterious sinking of Australia’s “Titanic," a warship on a dangerous mission, and a ROV expedition searching for clues at the bottom of the reef.
The Deadly Pacific
Draining the Pacific reveals the deadly forces behind Earth’s most destructive natural disasters, and a catastrophic threat off America’s coast.
The China Seas
Draining the China seas exposes the remains of the biggest battleship ever put on the water and the extraordinary truth behind a 700-year-old mystery.
The Pacific Megawrecks
An expedition searches for the iconic wrecks of the Battle of the Pacific, including the ship that delivered the Hiroshima bomb, the USS Indianapolis.
The Atomic Ghost Fleet
Atomic explosions on ships at sea; the U.S.’s largest thermonuclear bomb; and a new survey using extraordinary CGI explores the dawn of the Nuclear Age.
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#MegaEpisode #DrainTheOceans #NationalGeographic
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National Geographic is the world's premium destination for critically acclaimed storytelling around science and exploration. Discover amazing wildlife, ancient civilizations, hidden worlds, and the incredible wonders of our Earth. Through world-class scientists, photographers, journalists, and filmmakers, Nat Geo inspires fans of all ages to connect with, explore, and care about the world.
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The Greatest Mysteries of the Pacific Ocean | Drain the Oceans | MEGA EPISODE | Nat Geo
https://youtu.be/bxIV_itPWkU
National Geographic
https://www.youtube.com/natgeo
The Great Barrier Reef
The mysterious sinking of Australia’s “Titanic," a warship on a dangerous mission, and a ROV expedition searching for clues at the bottom of the reef.
The Deadly Pacific
Draining the Pacific reveals the deadly forces behind Earth’s most destructive natural disasters, and a catastrophic threat off America’s coast.
The China Seas
Draining the China seas exposes the remains of the biggest battleship ever put on the water and the extraordinary truth behind a 700-year-old mystery.
The Pacific Megawrecks
An expedition searches for the iconic wrecks of the Battle of the Pacific, including the ship that delivered the Hiroshima bomb, the USS Indianapolis.
The Atomic Ghost Fleet
Atomic explosions on ships at sea; the U.S.’s largest thermonuclear bomb; and a new survey using extraordinary CGI explores the dawn of the Nuclear Age.
Watch more Drain the Oceans on Disney+: https://on.natgeo.com/3COE87q
Explore the World with National Geographic subscriptions: http://natgeo.com/ytngmagazine
➡ Subscribe: https://on.natgeo.com/4p5A0D6
➡ Get more Nat Geo Full Episodes: https://on.natgeo.com/3V5ZfHI
➡ Get wild with Nat Geo Animals Full Episodes: https://on.natgeo.com/3V2EOLO
And check out more National Geographic series and specials here:
➡ Disney Plus: https://on.natgeo.com/3q6on5p
➡ Hulu: https://on.natgeo.com/3Qor0Ko
➡ NGTV: https://natgeo.com/tv
➡ ABC: https://abc.com
#MegaEpisode #DrainTheOceans #NationalGeographic
About National Geographic:
National Geographic is the world's premium destination for critically acclaimed storytelling around science and exploration. Discover amazing wildlife, ancient civilizations, hidden worlds, and the incredible wonders of our Earth. Through world-class scientists, photographers, journalists, and filmmakers, Nat Geo inspires fans of all ages to connect with, explore, and care about the world.
Get More National Geographic:
Official Site: https://nationalgeographic.com
Instagram: https://instagram.com/natgeo
Facebook: https://facebook.com/natgeo
Threads: https://threads.com/@natgeo
X: https://x.com/NatGeo
LinkedIn: https://linkedin.com/company/national-geographic
TikTok: https://tiktok.com/@natgeo
Reddit: https://reddit.com/user/nationalgeographic
Pinterest: https://pinterest.com/natgeo
The Greatest Mysteries of the Pacific Ocean | Drain the Oceans | MEGA EPISODE | Nat Geo
https://youtu.be/bxIV_itPWkU
National Geographic
https://www.youtube.com/natgeo
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Video Information
Views
658.2K
Likes
4.3K
Duration
03:52:09
Published
Aug 2, 2025
User Reviews
4.3
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