Stream Now 
Shows
Alaskan Bush People's Bear Brown and Long-Time Love Raiven are Married
Puppy Bowl NFTs are Here!
STREET OUTLAWS 6
STREET OUTLAWS Returns to Oklahoma
Kentucky's Devastating Tornado Hits Hometown of Gold Rush miner Nathan Clark
Moby, Team Ruff
Meet the Players: Starting Lineup & Pupularity Playoff Contenders
Ready, Set, Pup! Introducing Puppy Bowl XVIII
Magnolia, Team Ruff
Meet the Players of Puppy Bowl XVIII
GOLD RUSH 12
The Hunt for Gold Intensifies in Gold Rush Season 12
End Game - Defending Champ
Meet the Robots of BattleBots Season 6
Juan Ibarra Names his New Baby in Honor of an Old Friend
See All Shows
DNews
482182695
New Zealand's Sea Lions Have Returned: Crashing Soccer Games, Golf Courses, and Public Pools
Spreading the Love for World Kindness Day
1212609534
Bat Pups Babble like Babies
169975455
Virgin Births: The First California Condor Chicks Born from Unfertilized Eggs
1288249952
An Amazonian Tree Sought Refuge with the Norwegian Embassy
The King of Chunks Has Been Crowned
The Ivory-Billed Woodpecker is Officially Extinct, Along with 22 Other Species
1046943480
There’s a Black Rhino Baby Boom in Zimbabwe
523709914
Bee Swarm Kills 63 Endangered Penguins
1338370513
Climate Week 2021 Shines a Light on the Climate Crisis
See All DNews
Nature
Best Nature Photos of 2021
Taking a Look Back on 2021
Sea Otters Play and Grow at Georgia Aquarium
Get in the Holiday Spirit in this Winter Waterland
546289298
Why Do Ducks Swim in a Row?
Rescuing Giraffes from a Flooded Island
521329128
The Tallest Mountains in the World
1280574445
Llama Mia! 10 Fun Facts about Llamas
1192968104
Whale and Krill Populations are the Secret to Healthier Oceans
482182695
New Zealand's Sea Lions Have Returned: Crashing Soccer Games, Golf Courses, and Public Pools
See All Nature
Exploration
Dinosaur Footprints from 200 Million Years Ago Discovered in Wales
1291638433
Kwanzaa: The African Celebration of Unity and Culture
Meet the Storytellers Sharing Exploration with the World
640155870
Mountains, Monasteries, and Yaks: Trekking the Majestic Kingdom of Bhutan
896318944
Humanity’s Fascinating Relationship with the Winter Solstice
1221499811
Explore These Majestic Sand Dunes... In Colorado
1313361488
Tour Amsterdam by Photograph
510603856
Tour Jakarta by Photograph
1137235664
We Just Found One of the Earliest Fragments of the Merlin Legend, with a New Take
Celebrate the Women Blazing Paths in the Name of Exploration
See All Exploration
Space
1284716933
Space Hotel Built for Luxury and Research in Low Earth Orbit by 2027
Yet Another Exoplanet That You’ll Never Want to Visit
NASA's Biggest 2021 Milestones
534928810
Astronomers Have a Plan for the Next…Decade
VA256
The James Webb Space Telescope Launches!
10173757
Time Dilation, Special Relativity, and Santa’s Delivery Schedule
A Spacecraft Has Touched the Sun, for the First Time in History
25 Years In the Making, the James Webb Telescope Is Coming to Science Channel
The Sheer Awesomeness and Weirdness of Cosmic Strings
1269576157
Raining Sulfur in the Biblical City of Sodom Could Be Explained by an Impact Event
See All Space
Science
840505914
Sustainable Aviation Will Reduce Jet Fuel Emissions to Zero
NASA's Biggest 2021 Milestones
546262579
Laser Cooked 3D-Printed Meals are the Future of Food
1313352026
Nanodiamond Sparkles as Miracle Material of Future Technology
1269576157
Raining Sulfur in the Biblical City of Sodom Could Be Explained by an Impact Event
1204031983
Tree Planting and Reforestation Will Help Limit Global Warming
1286808993
Coffee Culture Brews Up Eco-Friendly Espresso in the Lab
619471998
Cutting Methane is Quickest Way to Limit Global Warming Before 2030
1016327744
Dolphin Doctors Appointments: The Future of 3D Scanning Marine Mammals
1317882487
Microplastic Pollution Stirs Urgent Worldwide Clean-Up
See All Science
Motor
1137004735
Recycled Lithium-Ion Batteries are Outlasting Brand New Ones
1018915066
Retrofitting Older Cars with Electric Motors Could Transform Transport
1302909231
Hydrogen Ready to Ignite as Transport Network and Technology Takes Off
155420181
Catch-22: How the Clean Energy Industry is Perpetuating Deep-Sea Mining
Second eHighway in Germany
Are Electric Highways the Way of the Future?
973562522
Solid State Batteries Promise Long Life and Rapid Refuel Electric Vehicles
686726377
Electric vs. Hydrogen: The Pros and Cons of Greener Transportation
653513498
Car Industry Takes a Hit Due to Chip Shortage
976082874
Flame Out: UK Brings Forward Combustion Engine Car Ban to 2030
MONSTER GARAGE 2.0
Jesse James is Back with a New Monster Garage on discovery+
See All Motor
Schedule
More
Cancel

EXPEDITION UNKNOWN: MEGALODON

3 Seasons
Watch on
or  Use your tv provider
S2019 E2 7/28/19

Expedition Unknown: Megalodon

Josh Gates travels to Mexico and South Africa in search of fossilized megalodon teeth. Alongside fellow paleontologists and shark experts, he dives into shark-infested waters to unravel the ocean's greatest mystery: What happened to the mighty Meg?

← Previous Episode
Next Episode →