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The investigators behind infamous serial killer cases reveal the harrowing, chilling details of their extraordinary efforts in this true crime series.

Real cases of perplexing disappearances, shocking murders and paranormal encounters fuel this gripping revival of the iconic documentary series.

For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a...

A group of researchers help people to find answers to various historical questions they have, usually centering around a family heirloom, an old...

A look at the hunt for California's Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early '70s.

New York City in the 1970s was ruled with a bloody fist by five mafia families, until a group of federal agents tried the unthinkable: taking them...

Filmmaker Joe Berlinger’s real-time, eight-part investigation into a string of mysterious sex and drug-fueled disappearances and deaths in the...

The last words of the investigation report, published by Malaysian officials, thicken the plot instead of resolving it. A handful of experts still...

Experts reveal what the royals are saying when they think nobody is listening.

Officers tackle the thieves terrorising supermarkets and shops, with organised international crime groups stealing eye-watering amounts in...

Two investigators re-examine controversial murder cases to help the desperate families of those convicted decide if it's time to appeal... or accept...

With firsthand accounts and access to prominent figures around the world, this comprehensive docuseries explores the Cold War and its aftermath.

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from...

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

This documentary series, made in partnership with Vox, explain some of the world's current trends, from politics, to science to pop culture.

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

Porn has gone mainstream; the question is, can we handle it? This exploration of the intersection of sex and technology is told through the stories...

Ottoman Sultan Mehmed II wages an epic campaign to take the Byzantine capital of Constantinople and shapes the course of history for centuries.

Explore the many lives of Martin Scorsese through intimate interviews with the man himself, access to his private archives, plus conversations with...

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.

Every second of every day, millions of Americans are caught on CCTV. Living in a surveillance society means everyday actions are caught on camera,...

The series heads to the very frontiers of space and science to produce the definitive television history of science fiction, told through its impact...

An in-depth look at the history and pop cultural significance of horror films.