Japan's Strongest Castles

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

Ryan Bergara (a believer in the supernatural) and Shane Madej (a skeptic) travel to alleged haunted locations to investigate paranormal activity.

The acclaimed docu-series takes you on a lightning-fast journey through a day in the life of WWE's most intriguing Superstars and groundbreaking events.

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.

An insider's look at the engineering and scientific miracles behind the things that form the modern world.

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

Award-winning actor and nervous explorer Eugene Levy steps out of his comfort zone for a whirlwind tour of the world's most beautiful and intriguing destinations.

Explores WWII from Germany's invasion of Poland through the atomic age, examining pivotal battles, wartime leaders like Churchill and Roosevelt, and the human cost of total war.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

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

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.

Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much feared crocodile and numerous venomous snakes. Steve's specialty is the capture and relocation of crocodiles. No animal appears too threatening to Steve, his true respect for animals is the foundation for everything he does.

What happened to Mica Miller? This documentary series retraces her promising life, toxic marriage and the mysterious circumstances of her death.

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.

Featuring rare footage and interviews with CIA insiders, this edge-of-your-seat documentary series traces the epic hunt for Osama bin Laden.

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each episode was broadcast on BBC Three on Saturdays, immediately after the broadcast of the weekly television episode on BBC One. The running time of the first two series was 30 minutes, being extended to 45 minutes in the third. BBC Three also broadcast a cut-down edition of the programme, lasting 15 minutes, shown after the repeats on Sundays and Fridays and after the weekday evening repeats of earlier seasons.

30 for 30 is the title for a series of documentary films airing on ESPN, its sister networks, and online highlighting interesting people and events in sports history. This currently includes four "volumes" of 30 episodes each, a 13-episode series under the ESPN Films Presents title in 2011–2012, and a series of 30 for 30 Shorts shown through the ESPN.com website. The series has also expanded to include Soccer Stories, which aired in advance of the 2014 FIFA World Cup, and audio podcasts. This entry refers to the main Volumes of the series presented by ESPN

Part detective story, part true-life drama, long-running series explores some of the most iconic moments in history to debunk myths and shed new light on past events. Using the latest investigative techniques, forensic science and historical examination, it shatters accepted wisdom, challenges prevailing ideas, overturns existing hypotheses, spotlights forgotten mysteries, and ultimately rewrites history.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Learn how popular Disney attractions and destinations came to be, how they have changed over time, and how fans continue to obsess over them.