First light
Episode: 1976-12-01 | Airdate: Dec 1, 1976
Episodes
Light and life
Episode: 1976-12-02 | Airdate: Dec 2, 1976
A leaf from nature
Episode: 1976-12-03 | Airdate: Dec 3, 1976
Candles from the Sun
Episode: 1976-12-04 | Airdate: Dec 4, 1976
Making light work
Episode: 1976-12-05 | Airdate: Dec 5, 1976
Survival under the Sun
Episode: 1976-12-06 | Airdate: Dec 6, 1976