Leonard Nimoy hosts investigations into various mysteries.
An examination of claims made by a family in Utah, a man in Wyoming on a hunting excursion, etc. of being abducted (kidnapped) and held captive on UFOs: A close encounter of the fourth kind.
Scientists at the National Severe Storms Laboratory work to detect and mitigate the impact of tornadoes, which are the most ferocious storms of all, often striking with little warning and inflicting massive amounts of damage.
A review of the benefits and concerns of producing genetically identical individuals artificially.
The ancient art of dowsing is reviewed, specifically the accuracy and reliability of water dowsers. Do they possess a psychic ability to detect water or can successful dowsing be learned? Further, can science prove or disprove dowsing?
An investigative report on the unsolved mystery of London's notorious serial killer. The episode reveals the killer's connection with contemporary media and the possible involvement with the Masons. Various identities are suggested as being that of the killer, including a duke who was second in line to the British throne.
Scientists have frozen and successfully revived animals in laboratory settings. In addition, some human beings have opted to be frozen at death in hopes of being revived at a future time. Can cryogenics permit humans to live forever?
The Tunguska event of 1908 was eerily similar to the Trinity nuclear test in 1945. How could a nuclear-like blast have occurred prior to the atomic age? Was a comet or asteroid the cause? Or was extraterrestrial technology responsible?
An examination of strange disappearances of ships and planes in an area of the Great Lakes that is considered to be more dangerous than the fabled Bermuda Triangle.
Examines various "monster hunters" including Peter Byrne and Tim Dinsdale as well as the "Bay Area Group". Subjects such as Bigfoot and the Loch Ness Monster are covered.
Explores the possibility that modern pirates involved in drug smuggling may be a factor in the disappearances of luxury yachts in the Bermuda Triangle off Florida. Scenes are dramatized involving the takeover of ships by pirates.
Many pre-Columbian cultures possessed a sophisticated understanding of the heavens. Did they share this knowledge, even across great distances? Similar insights of the Cahokia, Ancestral Puebloans, and Mayans appears to confirm they did.
An examination of Sir Arthur Conan Doyle, creator of Sherlock Holmes, and how the author emulated his fictional detective in many respects.
What happened to the Vikings, led initially by Erik the Red, who had settled in Greenland? Did they perish due to some unforeseen calamity? Or did they relocate to Newfoundland, thus becoming the first European settlers in the New World?
"In Search of ..." explores the mysteries of dreams and nightmares: why we have them and what they do for us.
Do animals, including humans, possess extrasensory perception? If so, are we humans and our companion animals able to communicate on a deeper level? Further, do humans have the ability to converse telepathically with companion animals?
Was a secret treasure buried on Oak Island off the coast of Nova Scotia? This episode examines the possibilities that it was and also covers some of the searches for it.
Various individuals with psychic abilities are given a map of the ocean floor and asked to identify areas that may contain long-forgotten shipwrecks and perhaps even treasure. A submarine travels to the selected spots to gauge the results.
The hunt for the fugitive sadistic Nazi doctor and his most famous pursuer, Simon Wiesenthal.
This episode looks into the scientific methods used to prove the Flood as described in The Bible.
Does the possession of diamonds carry an inherent curse? In particular, how has the Hope Diamond, as well as other significant diamonds, affected its possessors?
California psychics visit two purportedly haunted properties and attempt, with mixed results, to contact and exorcise ghosts located within the structures.
A survey of the brain, its mysteries and potential, and how it may be trained to overcome cerebral birth defects as well as move beyond its current, limited usage.
Scientists look into the theory that the remains of these wicked cities are on the very site of a crater now filled by the Dead Sea.
The brief life and reign of Tutankhamen were mostly unremarkable, yet upon his death he was entombed with a collection of astonishing riches and his decision to restore Egypt's ancient religion may have galvanized monotheistic practice.