Carl Sagan and other scientists investigate claims that people have been visited or abducted by aliens.
Anastasia Dead or Alive?
Venus Unveiled
Hawaii Born of Fire
The Doomsday Asteroid
Lightning!
Hunt for the Serial Arsonist
Treasures of the Great Barrier Reef
Race to Catch a Buckyball
Can Buildings Make You Sick?
Terror in the Mine Fields
The Day the Earth Shook
B-29 Frozen in Time
Plague Fighters
War Machines of Tomorrow
Kidnapped by U.F.O.'s?
Flood!
Dr. Spock the Baby Doc
Warriors of the Amazon
Bombing of America
