Leonard Nimoy hosts investigations into various mysteries.
2 - 1The Lost Dutchman Mine (aka Mother Lode) Dec. 24, 1977- 2 - 2The Man Who Would Not Die Dec. 31, 1977
- 2 - 3Firewalkers Jan. 05, 1978
- 2 - 4Mayan Mysteries Jan. 07, 1978
- 2 - 5Astrology Jan. 12, 1978
- 2 - 6Michael Rockefeller Jan. 21, 1978
- 2 - 7Hurricanes Jan. 26, 1978
- 2 - 8The Ogopogo Monster Jan. 28, 1978
- 2 - 9Pyramid Secrets Feb. 04, 1978
- 2 - 10Dead Sea Scrolls Feb. 09, 1978
- 2 - 11Reincarnation Feb. 11, 1978
- 2 - 12The Shark Worshippers Feb. 18, 1978
- 2 - 13Anastasia Feb. 23, 1978
- 2 - 14The Secrets of Life Feb. 25, 1978
- 2 - 15Immortality Feb. 27, 1978
- 2 - 16The Swamp Monster Mar. 04, 1978
- 2 - 17Hypnosis Mar. 09, 1978
- 2 - 18Troy Mar. 11, 1978
- 2 - 19Witch Doctors Mar. 18, 1978
- 2 - 20Haunted Castles Apr. 27, 1978
- 2 - 21Butch Cassidy May. 04, 1978
- 2 - 22Deadly Ants May. 11, 1978
- 2 - 23The Coming Ice Age May. 18, 1978
- 2 - 24The Garden of Eden Jun. 01, 1978
