Epidemic
Episode: 1973-01-04 | Airdate: Jan 4, 1973
Episodes
Worlds in Collision
Episode: 1973-01-11 | Airdate: Jan 11, 1973
The Military Necessity
Episode: 1973-01-18 | Airdate: Jan 18, 1973
The Curtain of Silence
Episode: 1973-01-25 | Airdate: Jan 25, 1973
Crime Lab
Episode: 1973-02-01 | Airdate: Feb 1, 1973
When the Breeding Has to Stop
Episode: 1973-02-08 | Airdate: Feb 8, 1973
Science is Dead, Long Live Science
Episode: 1973-02-15 | Airdate: Feb 15, 1973
...And Where Will the Children Play?
Episode: 1973-03-01 | Airdate: Mar 1, 1973
Acupuncture: A Chinese Puzzle
Episode: 1973-03-08 | Airdate: Mar 8, 1973
What Time is Your Body?
Episode: 1973-03-22 | Airdate: Mar 22, 1973
Survival of the Weakest
Episode: 1973-04-05 | Airdate: Apr 5, 1973
Red Sea Coral and the Crown of Thorns
Episode: 1973-04-12 | Airdate: Apr 12, 1973
Lumbered with Back-Ache!
Episode: 1973-04-26 | Airdate: Apr 26, 1973
Airport
Episode: 1973-05-03 | Airdate: May 3, 1973
Do You Remember the Memory Man?
Episode: 1973-05-17 | Airdate: May 17, 1973
What a Waste!
Episode: 1973-05-24 | Airdate: May 24, 1973
The Laws of the Land
Episode: 1973-06-07 | Airdate: Jun 7, 1973
Do We Really Need the Railways?
Episode: 1973-06-14 | Airdate: Jun 14, 1973
The Telly of Tomorrow
Episode: 1973-06-21 | Airdate: Jun 21, 1973
The Rat Man
Episode: 1973-06-28 | Airdate: Jun 28, 1973
How Does It Hurt?
Episode: 1973-07-05 | Airdate: Jul 5, 1973
A Scientist Looks at Religion
Episode: 1973-08-09 | Airdate: Aug 9, 1973
In Search of Konrad Lorenz
Episode: 1973-09-24 | Airdate: Sep 24, 1973
Stretch Up Tall
Episode: 1973-10-01 | Airdate: Oct 1, 1973
Gilding the Lily
Episode: 1973-10-08 | Airdate: Oct 8, 1973
Black Holes of Gravity
Episode: 1973-10-15 | Airdate: Oct 15, 1973
What's So Big About Us?
Episode: 1973-10-22 | Airdate: Oct 22, 1973
The Steadfast Tin Soldier
Episode: 1973-10-29 | Airdate: Oct 29, 1973
Carry on Smoking
Episode: 1973-11-05 | Airdate: Nov 5, 1973
Air Crash Detective
Episode: 1973-11-26 | Airdate: Nov 26, 1973
An Element of Mystery
Episode: 1973-12-03 | Airdate: Dec 3, 1973
Digging Up the Future
Episode: 1973-12-17 | Airdate: Dec 17, 1973
Kula, a Reason for Giving
Episode: 1973-12-24 | Airdate: Dec 24, 1973