The X-Files

218 Episode s . 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.

Ghost Hunters International

62 Episode s . 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.

Most Haunted

275 Episode s . Most Haunted is a British paranormal mystery documentary reality television series. The series was first shown on 25 May, 2002 and ended on 21 July, 2010. Led by Yvette Fielding, the programme investigated purported paranormal activity in many locations in the United Kingdom, Republic of Ireland and other countries. It was produced by Antix Productions and broadcast on the satellite and cable channels Living TV, Livingit, and Channel One. In the United States it was broadcast on the Travel Channel.

UFO Files

83 Episode s . UFO Files is an American television series that was produced from 2004 to 2007 for The History Channel. The program covers the phenomena of unidentified flying and submerged objects, close encounters with alleged extraterrestrial life, and alleged military and government cover-up conspiracies. In 2008, a following series called UFO Hunters premiered on the same channel.

The Unexplained

70 Episode s . The Unexplained is an American paranormal television series that originally aired from January 2, 1996 to May 7, 2000 on A&E and is currently being broadcast on the Biography Channel. The program features various mysteries, paranormal, psychic phenomena, and other topics that are considered to be "unexplained." Earlier episodes of the series are narrated by Bill Kurtis

In Search of...

152 Episode s . In Search of... is a television 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.

Strange but True?

37 Episode s . Michael Aspel explores supernatural phenomena and unexplained mysteries from ghosts and poltergeists to near death experiences, vampires and aliens.

Ghosthunters

28 Episode s . Ghosthunters is a British paranormal documentary television series that originally aired from 1996 to 1997 on the Discovery Channel. The four-series program was produced by Inca Productions of Covent Garden, London, hosted by Ian Cashmore, and narrated by William Woollard. Ian Cashmore also appeared in the promo for the American Syfy series Ghost Hunters.

Weird Travels

Fortean TV

10 Episode s . Fortean TV was a British paranormal documentary television series that originally aired from January 29, 1997 to March 6, 1998 on Channel 4. Produced by Rapido TV, the program features anomalous phenomena and the paranormal. It was based upon the Fortean Times magazine and was presented by Reverend Lionel Fanthorpe. Fortean TV ran for 3 series. The three seasons comprised: 22 half-hour episodes, plus a final hour-long family Christmas special. Series 1 contained 9 unique episodes, broadcast on Wedneday evenings, with a final tenth "Best Of" the following week to round off the season. Series 2 contained 8 unique episodes, beginning again the following January, broadcast now on Friday evenings. Fortean TV Uncut - a short four-episode adult spin-off series with unseen material from the previous two series as well as new items - immediately followed, now back on Wedneday evenings.