1. A Victim of Gravity

5

. 16 September 1978. 3 min

The Tokens harmonize Newton's theory that gravity keeps things down.

2. Interplanet Janet

10

. 18 November 1978. 3 min

A solar system tour of the planets.

3. The Body Machine

9.5

. 6 January 1979. 3 min

A trip that makes understanding the digestive system easy to swallow.

4. Do the Circulation

9

. 10 March 1979. 3 min

An energetic, enthusiastic look at the cardiovascular system.

5. The Energy Blues

7.7

. 27 March 1979. 3 min

Thirty years later, the world is still singing the "Energy Blues."

6. Them Not-So-Dry Bones

8.5

. 5 May 1979. 3 min

A look at what skeletons are really like and do.

7. Electricity, Electricity

9

. 19 May 1979. 3 min

A dazzling look at how electricity works.

8. Telegraph Line

10

. 30 June 1979. 3 min

Your nervous system sends that urgent message to your brain.

9. The Greatest Show on Earth (aka The Weather Show)

10

. 7 July 1979. 3 min

Learn about weather and how it is created.