Season 4 poster

Season 4

24 episodes September 20, 1979

Leonard Nimoy hosts investigations into various mysteries.

Episodes

1 Tidal Waves Sep 20, 1979 No ratings 2 Carlos, the Most Wanted Man in the World Sep 27, 1979 No ratings 3 The Amityville Horror Oct 4, 1979 No ratings 4 UFO Australia Oct 11, 1979 No ratings 5 Immortal Sharks Oct 18, 1979 No ratings 6 The Lost Colony of Roanoke Oct 25, 1979 No ratings 7 The Shroud of Turin Nov 8, 1979 No ratings 8 Mexican Pyramids Nov 15, 1979 No ratings 9 The Abominable Snowman Nov 22, 1979 No ratings 10 Pompeii Nov 29, 1978 No ratings 11 D.B. Cooper Dec 6, 1979 No ratings 12 The Ten Commandments (aka Mount Sinai) Dec 13, 1979 No ratings 13 The Dark Star (aka The Dogons) Dec 20, 1979 No ratings 14 The San Andreas Fault Dec 27, 1979 No ratings 15 The Missing Heir Jan 3, 1980 No ratings 16 Vincent Van Gogh Jan 10, 1980 No ratings 17 Wild Children Jan 17, 1980 No ratings 18 The Ghost Ship (aka Mary Celeste) Jan 24, 1980 No ratings 19 Earth Visitors Jan 31, 1980 No ratings 20 John the Baptist Feb 7, 1980 No ratings 21 Air Disaster Prediction Feb 14, 1980 No ratings 22 The Bimini Wall Feb 21, 1980 No ratings 23 Glenn Miller Mar 7, 1980 No ratings 24 Past Lives Mar 14, 1980 No ratings