The exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena. Mulder believes in the existence of aliens and the paranormal while Scully, a skeptic, is assigned to make scientific analyses of Mulder's discoveries that debunk Mulder's work and thus return him to mainstream cases.

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Lorraine and Ed Warren travel to north London to help a single mother raising four children alone in a house plagued by malicious spirits.

Paranormal investigators Ed and Lorraine Warren encounter what would become one of the most sensational cases from their files. The fight for the soul of a young boy takes them beyond anything they'd ever seen before, to mark the first time in U.S. history that a murder suspect would claim demonic possession as a defense.

The body of Laura Palmer is washed up on a beach near the small Washington state town of Twin Peaks. FBI Special Agent Dale Cooper is called in to investigate her strange demise only to uncover a web of mystery that ultimately leads him deep into the heart of the surrounding woodland and his very own soul.

After losing their university jobs, three parapsychologists start a ghost-catching business in New York City and uncover a supernatural threat that could destroy the world.

The discovery of a massive river of ectoplasm and a resurgence of spectral activity allows the staff of Ghostbusters to revive the business.

Paranormal investigators Ed and Lorraine Warren take on one last terrifying case involving mysterious entities they must confront.

Paranormal investigators Ed and Lorraine Warren work to help a family terrorized by a dark presence in their farmhouse. Forced to confront a powerful entity, the Warrens find themselves caught in the most terrifying case of their lives.

Skeptical forensic psychologist Kristen Bouchard joins priest-in-training David Acosta and technology expert Ben Shakir as they investigate supposed miracles, demonic possessions, and other extraordinary occurrences to assess for a scientific explanation or if something truly supernatural is at work.