Missing Persons Unit

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.

In Search of... is a TV series that was broadcast weekly from 1977 to 1982, devoted to mysterious phenomena. It was created after the success of three one-hour TV documentaries produced by creator Alan Landsburg: In Search of Ancient Astronauts in 1973, In Search of Ancient Mysteries and The Outer Space Connection, both in 1975. All three featured narration by Rod Serling, who was the initial choice to host the spin-off show. After Serling's death, Leonard Nimoy was selected to be the host.

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

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from historical experiments, and brand-new, ground-breaking demonstrations of human nature at work.

The fascinating cases of every day, seemingly average moms, wives and girlfriends accused of murder. Did they really do it? And if so, why?

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

A non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through re-enactments, discussions with investigation teams, and interviews with victims' families and other involved persons, the show highlights Kenda's successes with his 400 homicide case history and 92 percent solution rate.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.

Ghost Hunters International was a spin-off series of Ghost Hunters that aired on Syfy. The series premiered on January 9, 2008. Like its parent series, GHI was a reality series that followed a team of paranormal investigators; whereas, the original series primarily covers only locations within the United States, the GHI team traveled around the world and documented some of the world's most legendary haunted locations.

Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the world to get up close and personal with the weirdest, most unusual, dangerous and thrilling spectacles of the planet.

Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new evidence, and unexpected resolutions.

Travel around the world with author Dan Buettner to discover five unique communities where people live extraordinarily long and vibrant lives.

Eerie encounters, bizarre disappearances, haunting events and more perplexing phenomena are explored in this chilling investigative docuseries.

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

Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in forensic technology and the influence of social media to help crack these cases.

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the essential stories of our time.

Serial killer Jeffrey Dahmer confesses to his gruesome crimes in unguarded interviews, offering an unsettling view into a disturbed mind.

Documentary series looking at the most dramatic wildlife spectacles on our planet, showing how life responds to natural events which can dramatically transform entire landscapes.

Every second of every day, millions of Americans are caught on CCTV. Living in a surveillance society means everyday actions are caught on camera, mostly of honest citizens going about their daily lives. But a few are guilty of unspeakable crimes. Video doesn't discriminate; criminals also end up on film. See no Evil is a groundbreaking series that presents dramatic stories about how real crimes are solved with the aid of surveillance cameras. Police reveal how CCTV footage has unlocked the answer to cases that otherwise might have remained unsolved- leaving dangerous killers at large. The series features real footage and dramatic reconstruction, combined with first-hand testimony from police, witnesses, and families.

Real crimes, disease outbreaks and accidents around the world are solved by experts using scientific laboratory analysis which helps them find previously undetectable evidence. Brilliant scientific work helps convict the guilty and free the innocent.