The UnXplained - Season 7 Episode 17 The World's Deadliest Assassins

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked — what their most memorable story...

U.S. Navy veteran turned private investigator Jennifer Marshall investigates some of America's greatest unsolved mysteries.

Investigating a murder is hard enough. But when detectives realize the killer knows how to stage a crime scene to throw them off, the job gets even...

Pull back the curtain on bizarre double lives and see the real stories of men and women who thought they were happily married, until the day they...

From strange abductions, to mutated species, to bizarre occurrences, there are some phenomena that science cannot - or will not - explain. This...

Girl meets guy; girl falls for guy; guy turns out to have a dark and deadly secret. You know the drill. As women tell their real-life "I Dated An Axe...

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

Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the...

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.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and...

Pickers like Mike Wolfe and Frank Fritz are on a mission to recycle America, even if it means diving into countless piles of grimy junk or getting...

Delve deep into a vast archive of over 70,000 UFO files gathered over nearly half a century in Hangar 1. MUFON, an independent organization dedicated...

Chuck Zukowski, who has researched UFOs for over 30 years, teams up with his son and an investigator to pursue cases in search for definitive proof...

Weird or What? is a series on the Discovery Channel and History hosted by William Shatner. Each episode contains three separate stories of the...

Each episode will focus on events that have recently occurred that defy rational and scientific explanations. One of the topics that the show will...

Gary is an emotional wreck and struggles to provide for his daughter since the death of his wife. Mary has a secret she can't bring herself to share...

The off-kilter, unscripted comic vision of Larry David, who plays himself in a parallel universe in which he can't seem to do anything right, and, by...

When Emily Thorne moves to the Hamptons, everyone wonders about the new girl, but she knows everything about them, including what they did to her...

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.