Insider - Season 1

Historian Cecilie Nielsen goes on a hunt into a dark and gloomy past - the past of Odin. Perhaps the old god played a far greater role in the birth...

In a unique experiment, a group of Danish sailors and Viking experts embark on a perilous voyage across the North Atlantic to experience first-hand...

History program about the Danish Royal Family's sexual, romantic, and controversial escapades.

One hundred hardy souls from diverse backgrounds participate in playful experiments exploring age, sex, happiness and other aspects of being human.

32 participants, divided into 8 teams, made up of two men and two women face air, water, earth and fire tests.

Explore Marvel’s rich legacy of pioneering characters, creators and storytelling to reflect the world outside your window. Each documentary,...

A new group of supposedly solid couples put their relationships to the test. In their pursuit of love and money, will the truth hurt or heal?

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Secrets from the "Stranger Things 2" universe are revealed as cast and guests discuss the latest episodes with host Jim Rash. Caution: spoilers ahead!

Actor Zac Efron journeys around the world with wellness expert Darin Olien in a travel show that explores healthy, sustainable ways to live.

The docuseries follows people deeply involved in the group NXIVM — which is faced with various charges, including sex trafficking and...

Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the...

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.