A Smile for a Crocodile
Episode: 1977-01-07 | Airdate: Jan 7, 1977
Episodes
The Pill for the People
Episode: 1977-01-14 | Airdate: Jan 14, 1977
The Ape That Stood Up
Episode: 1977-01-21 | Airdate: Jan 21, 1977
The Human Animal
Episode: 1977-02-04 | Airdate: Feb 4, 1977
The Guinea Pig and the Law
Episode: 1977-02-18 | Airdate: Feb 18, 1977
Hunters of the Seal
Episode: 1977-02-25 | Airdate: Feb 25, 1977
The Red Planet
Episode: 1977-03-04 | Airdate: Mar 4, 1977
One of Nature's Hotels
Episode: 1977-03-11 | Airdate: Mar 11, 1977
Dawn of the Solar Age
Episode: 1977-03-18 | Airdate: Mar 18, 1977
Genetic Roulette
Episode: 1977-04-01 | Airdate: Apr 1, 1977
The Amazing Doctor Newton
Episode: 1977-07-15 | Airdate: Jul 15, 1977
The Trouble with Medicine
Episode: 1977-07-22 | Airdate: Jul 22, 1977
Silent Speech
Episode: 1977-07-29 | Airdate: Jul 29, 1977
The Green Machine
Episode: 1977-08-05 | Airdate: Aug 5, 1977
Horizon 2002
Episode: 1977-08-26 | Airdate: Aug 26, 1977
The River That Came Clean
Episode: 1977-09-02 | Airdate: Sep 2, 1977
Blueprints in the Bloodstream
Episode: 1977-09-09 | Airdate: Sep 9, 1977
40 Years of Murder
Episode: 1977-09-16 | Airdate: Sep 16, 1977
Darwin's Dream
Episode: 1977-09-23 | Airdate: Sep 23, 1977
The Cry for Help
Episode: 1977-09-30 | Airdate: Sep 30, 1977
The Sunspot Mystery
Episode: 1977-10-07 | Airdate: Oct 7, 1977
The Rhine's Revenge
Episode: 1977-10-21 | Airdate: Oct 21, 1977
Icarus' Children
Episode: 1977-12-02 | Airdate: Dec 2, 1977
The Healing Nightmare
Episode: 1977-12-09 | Airdate: Dec 9, 1977
The Great Wine Revolution
Episode: 1977-12-23 | Airdate: Dec 23, 1977
Specials
The Case of the Ancient Astronauts
Episode: 1977 Special | Airdate: Nov 25, 1977 (58 min)
In this special episode, Horizon reports on Erich Von Daniken and his theories about astronauts visiting Earth long ago.