An investigation into UFO sightings with an emphasis on the 1947 Roswell, New Mexico sightings, Project Blue Book, and Hangar 18 at Wright-Patterson AFB.

An investigation into UFO sightings with an emphasis on the 1947 Roswell, New Mexico sightings, Project Blue Book, and Hangar 18 at Wright-Patterson AFB.

Unorthodox means of healing are considered, from charismatic Christian faith healers to electric magnetism to meditative techniques. Advocates and skeptics are interviewed.

Unorthodox means of healing are considered, from charismatic Christian faith healers to electric magnetism to meditative techniques. Advocates and skeptics are interviewed.

New information on President Kennedy's assassination, including a police tape revealing a fourth shot, expert handwriting analysis on Oswald's diary, and a possible Oswald lookalike as a stealth assassin.

New information on President Kennedy's assassination, including a police tape revealing a fourth shot, expert handwriting analysis on Oswald's diary, and a possible Oswald lookalike as a stealth assassin.

A look at thrill-seeking daredevils from Harry Houdini through pickup pilot Chuck Strange. A peek into the stuntman-training school of Hollywood veteran Kim Kahana.

A look at thrill-seeking daredevils from Harry Houdini through pickup pilot Chuck Strange. A peek into the stuntman-training school of Hollywood veteran Kim Kahana.

What exactly is death and what lies beyond it? Three survivors share their testimonies of near death experiences (NDEs). Doctors and a theologian offer their explanations.

What exactly is death and what lies beyond it? Three survivors share their testimonies of near death experiences (NDEs). Doctors and a theologian offer their explanations.

Can the full moon drive men mad? Once dismissed as a myth, scientists are reevaluating the effect exerted by our nearest neighbor.

Can the full moon drive men mad? Once dismissed as a myth, scientists are reevaluating the effect exerted by our nearest neighbor.

Volcanoes, spotlighting Mount St. Helens, which erupted on May 18, 1980. Local law enforcement, a volcanologist, and an earthquake-sensitive woman are interviewed. A simulated evacuation of Mount Shasta, California is demonstrated.

Volcanoes, spotlighting Mount St. Helens, which erupted on May 18, 1980. Local law enforcement, a volcanologist, and an earthquake-sensitive woman are interviewed. A simulated evacuation of Mount Shasta, California is demonstrated.

Investigative reporter Anthony Scaduto presents startling new evidence that exonerates Bruno Richard Hauptmann, the man convicted and executed for the March 1932 kidnapping and murder of Charles Lindbergh's baby son.

Investigative reporter Anthony Scaduto presents startling new evidence that exonerates Bruno Richard Hauptmann, the man convicted and executed for the March 1932 kidnapping and murder of Charles Lindbergh's baby son.

East meets West in this exploration of acupuncture, filmed on location in Peking, China. Chinese medicine's fight for acceptance in America. Graphic scenes of brain surgery and of the inserting of needles.

East meets West in this exploration of acupuncture, filmed on location in Peking, China. Chinese medicine's fight for acceptance in America. Graphic scenes of brain surgery and of the inserting of needles.

The rise, fall, and mysterious disappearance of legendary Teamsters union president Jimmy Hoffa. Authors and associates speculate on what may have happened that fateful July 30, 1975.

The rise, fall, and mysterious disappearance of legendary Teamsters union president Jimmy Hoffa. Authors and associates speculate on what may have happened that fateful July 30, 1975.

The Fountain of Youth of legend is fast becoming reality thanks to modern science, nutrition, and cosmetic surgery. A report on the many ways America's aging population seeks to regain its waning youth.

The Fountain of Youth of legend is fast becoming reality thanks to modern science, nutrition, and cosmetic surgery. A report on the many ways America's aging population seeks to regain its waning youth.

Is laughter the best medicine? Entertainers old and new offer their thoughts along with researchers into the placebo effect, biofeedback, and laughter therapy.

Is laughter the best medicine? Entertainers old and new offer their thoughts along with researchers into the placebo effect, biofeedback, and laughter therapy.

A celebration of witchcraft in Salem, Massachusetts featuring rare looks at coven rituals and an initiation ceremony. A scientist suggests a rational explanation lurks behind the hysteria that sparked the Salem Witch Trials of 1692-93.

A celebration of witchcraft in Salem, Massachusetts featuring rare looks at coven rituals and an initiation ceremony. A scientist suggests a rational explanation lurks behind the hysteria that sparked the Salem Witch Trials of 1692-93.

Are child prodigies born or nurtured? A day in the life of a gifted ballerina. Visits to schools for gifted students and a computer camp. Educators suggest every child possesses tremendous untapped potential.

Are child prodigies born or nurtured? A day in the life of a gifted ballerina. Visits to schools for gifted students and a computer camp. Educators suggest every child possesses tremendous untapped potential.

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Edward Leedskalnin built a Coral Castle in Florida City, Florida during modern times. The stones weigh up to 5 tons. Yet he used simple tools and a tripod. The mystery he once said it is all there in the Egyptian texts . Join Leonard Nimoy In Search of The Castle of Secrets to see and marvel at what one man accomplished. Written by stephen scialli

Edward Leedskalnin built a Coral Castle in Florida City, Florida during modern times. The stones weigh up to 5 tons. Yet he used simple tools and a tripod. The mystery he once said it is all there in the Egyptian texts . Join Leonard Nimoy In Search of The Castle of Secrets to see and marvel at what one man accomplished. Written by stephen scialli

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Season 5 (1980-81). A brilliant documentary on the fascinating legend of the Holy Grail, the silver chalice which Christ used at the Last Supper. The cup was preserved by Joseph of Arimathea, who took some of Christ's blood in it at the Crucifixion, making it 'holy' and 'sangreal.' Eventually Joseph fled to Britain, taking the grail with him. It was left to be guarded by holy men there but it vanished because of the impurity of its guardians. Although the Biblical legend ends at this point, the Holy Grail is also a part of the King Arthur legend, in which Sir Galahad is sent on a quest for it. In this century a golden cup was discovered, with a silver cup inside, and it was believed to be he Holy Grail. Since then, however, many historians have felt it was not the grail because it came from a later age. Written by Campbell / Pitts

Season 5 (1980-81). A brilliant documentary on the fascinating legend of the Holy Grail, the silver chalice which Christ used at the Last Supper. The cup was preserved by Joseph of Arimathea, who took some of Christ's blood in it at the Crucifixion, making it 'holy' and 'sangreal.' Eventually Joseph fled to Britain, taking the grail with him. It was left to be guarded by holy men there but it vanished because of the impurity of its guardians. Although the Biblical legend ends at this point, the Holy Grail is also a part of the King Arthur legend, in which Sir Galahad is sent on a quest for it. In this century a golden cup was discovered, with a silver cup inside, and it was believed to be he Holy Grail. Since then, however, many historians have felt it was not the grail because it came from a later age. Written by Campbell / Pitts

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Did explorers from China arrive on the west coast of North America in 458 A.D. and then proceed to Central America? This episode examines both the facts and myths that surround this subject.

Did explorers from China arrive on the west coast of North America in 458 A.D. and then proceed to Central America? This episode examines both the facts and myths that surround this subject.

A examination of the last great passenger dirigible and the question of whether its explosive destruction was by accident or sabotage.

A examination of the last great passenger dirigible and the question of whether its explosive destruction was by accident or sabotage.

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An examination of the British ship torpedoed in World War I and why it sunk so quickly.

An examination of the British ship torpedoed in World War I and why it sunk so quickly.

Leonard Nimoy hosted this quasi-documentary television show which portrayed unusual natural phenomena and 'investigated' the paranormal. Its style of interspersing 'talking heads' with sensationalistic video segments may have been the forerunner of 'info-tainment.' Written by Tad Dibbern DIBBERN_D@a1.mscf.upenn.edu