Episode aired 17 April 1977 Examines groundbreaking experiments that show the possibility that plants respond to people's thoughts. Leonard Nimoy hosts invest...

Episode aired 24 April 1977 Was Oracle Chamber, which lies beneath New Hampshire's Mystery Hill, built by ancient Phoenicians who traveled to the continent t...

Episode aired 24 April 1977 Are there signs of alien visitation here on earth? Might the mysterious markings on the Nazca Plain in Peru be landing instructions...

Episode aired 27 April 1977: Probes a radio broadcast claim that the graveyard of ships and planes is actually a testing area for spacemen. Leonard Nimoy host...

Episode aired 28 April 1977: In Search Of examines the question of whether Bigfoot exists by interviewing scientists and eyewitnesses. Leonard Nimoy hosts inv...

Episode aired 1 May 1977 Examines the African "killer" honeybee and its possible impact on the USA. Filmed in 1976 one scientist predicts they will reach the U...

Episode aired 7 May 1977: An examination of the techniques scientists are developing to study seismic activity and predict quakes. Leonard Nimoy hosts investi...

Episode aired 14 May 1977: Probes the claim that a protective curse on king Tutankhamun's tomb accounted for a chain of mysterious deaths. Leonard Nimoy hosts...

Episode aired 21 May 1977: Offers the theory that the Red Planet is dying of climate changes and suggests that Earth may face a similar fate. Leonard Nimoy ho...

Episode aired 22 May 1977: Explores the possibility that 14 huge stone buildings beneath the waters of the Bahamas, and a 2000 year old computer part, are part...

Episode aired 26 May 1977: Examines people who use their psychic powers to help police solve crimes. Includes Peter Hurkos and Beverly Jaegers. The latter does...

Episode aired 28 May 1977: Can the space technologies that discovered other galaxies help us communicate with other life? Leonard Nimoy hosts investigations i...

Episode aired 28 May 1977: Do the powers of extrasensory perception really exist, and can they be taught? Leonard Nimoy hosts investigations into various myst...

Episode aired 29 May 1977: Pursues the rumor of Nazi plunder worth billions and a 30-year old track that could lead to it. Leonard Nimoy hosts investigations ...

Episode aired 22 June 1977 Studies specters and a parapsychologist's theory that they are troubled earthbound souls in need of help.

Episode aired 29 June 1977 A visit to a soul research institute for firsthand accounts of people who claim they have died and come back to life.

Episode aired 6 July 1977: A hunt for leviathan who has so far eluded all expeditions to prove that it truly exists. Leonard Nimoy hosts investigations into v...

Episode aired 13 July 1977: An evaluation of reports by people who have seen "saucers", and the growing body of evidence that America is regularly being visite...

Episode aired 26 July 1977 Experience an actual voodoo rite, and meet a priest dedicated to disarming its effects. Leonard Nimoy hosts investigations into var...

Episode aired 11 August 1977 Leonard Nimoy hosts investigations into various mysteries. Stars: Leonard Nimoy, Francis Hitching, George O. Abell

Episode aired 10 September 1977 Suggests the site could be the source of a mysterious power that might hold all of Britain in a strange magnetic force field.