Undercover Billionaire Episodes

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Season 1, Episode 1

Starting from Scratch

Glenn Stearns begins his quest to build a million-dollar business from scratch in just 90 days. His mission lands him in the hospital and in the middle of his biggest money-making scheme all in the name of the American Dream.

Season 1, Episode 5

Win Some, Lose Some

As the 90-day deadline approaches and Underdog BBQ prepares for its grand opening, Glenn loses a critical deal, accidentally reveals his true identity and puts his entire project in jeopardy.

Dave Turin is on the Hunt for his Biggest Payday Yet

Roar Along to the Serengeti Soundtrack

Actor Rob Riggle is on a Mission to Solve the World’s Greatest Mysteries in an All-New Discovery Series

Expedition Unknown Kicks Off with a New Discovery About D-Day

The Street Outlaws: No Prep Kings Season 4 Schedule Is Finally Here

The Street Outlaws: No Prep Kings Season 4 Schedule Is Finally Here

Here's the Full List of Racers on Street Outlaws: Fastest in America

Here's the Full List of Racers on Street Outlaws: Fastest in America

Reclaimed Before and After: Tincup, Colorado

Holocaust Documentary makes its Television Debut on Discovery

Australia Bushfires: How to Help

Oklahoma’s Annual Bison Health Check-up is a Sight to Behold

10 Celebrities Who Are Making a Difference in Australia

These Bee Chicas Are Colorado’s Local Heroes

Saving the Black Bears of the West

Nearly 500 Million Animals Have Been Lost in Australia’s Wildfires

Best Moments from America's National Parks

Gifts for Nature Lovers

Winter in the Desert

Winter’s Hardest Working Mammals – Reindeer!

The Mima Mounds in Washington Are a Phenomenon Unexplained by Science

Historic Adventures Along Italy’s Mediterranean Coast

Gifts for Explorers

7 Binge-Worthy Shows to Watch on Discovery Go Right Now!

Surprises from Emiliano Ruprah’s Adventures in Ethiopia’s Omo Valley

Is This Mars-like Desert the World’s Best Spot to Watch the Stars?

Pingelap Atoll is Known as the Island of the Colorblind

A Life-Changing Voyage to Antarctica

The Black Drink, Ethnobotany, and a Lost Civilization in Florida

Exorcisms, the Ark of the Covenant, and Ethiopia: The Adventures of Justin Fornal

Classic Chevys

Gifts for Car Lovers

Cool Convertibles We're Crushing On Right Now

The Tesla Cybertruck was Unveiled and Looks Like it was Beamed in from a Distant Galaxy

Discovery Motor Live Car Reveals

Legendary Car Customizer Galpin Auto Sports is Coming to Discovery

Here’s Why You Can’t Miss DISCOVERY MOTOR LIVE

A Very Haunted Road Trip Across America

In Memory of Jessi Combs

Jessi Combs, Fastest Woman on Four Wheels, Dies in Land-Speed Record Crash

Where should we go? The Moon or Mars?

Octopus Arms Have Minds of Their Own

Check out the Earth’s 800,000 Year Old Battle Wound

SpaceX vs. the Universe

Scientists Have Decoded the Universal Language of Honey Bees

That’s a (Weirdly) Big Black Hole!

Miss America Can be a Scientist

Gifts for Science Lovers

Get Your Popcorn Ready — Stream These Science Channel Shows Over The Holidays

All Aboard the Starliner!

Reusable Rockets: Expanding Space Exploration Possibilities with Retrievable Spacecraft

Wildfire Technology: Tackling the Spread of Wilderness Fires with Digital Tech

Cobots: Robots with a Human Twist

Artificial Intelligence in Medicine: the Rise of the Digital Doctors

Satellite Saviors: How Earth-orbiting Sensors Can Help Save the Planet

Hyperloop: How Elon Musk’s Tube Travel Concept Works

Then & Now – Celebrating the Life of Kodak, the First Film Camera

Celebrating the Life of Kodak

Frenchman Flies across English Channel via Hoverboard

Wearable Technology

Undercover Billionaire Episodes

Starting from Scratch

Win Some, Lose Some