Leonard Nimoy hosts investigations into various mysteries.
The Lost Dutchman Mine (aka Mother Lode)
The Man Who Would Not Die
Firewalkers
Mayan Mysteries
Astrology
Michael Rockefeller
Hurricanes
The Ogopogo Monster
Pyramid Secrets
Dead Sea Scrolls
Reincarnation
The Shark Worshippers
Anastasia
The Secrets of Life
Immortality
The Swamp Monster
Hypnosis
Troy
Witch Doctors
Haunted Castles
Butch Cassidy
Deadly Ants
The Coming Ice Age
The Garden of Eden
