Missing or Murdered - Season 1

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

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.

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.

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

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

Death row inmates convicted of capital murder give a firsthand account of their crimes in this documentary series.

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.

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.

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.