Air date: 1971-10-04

Runtime: min

Season opener: The Nature of Things looks at discovery of insulin by Dr Frederick Banting and Dr Charles Best and deals with current Canadian research into diabetes.

Air date: 1971-10-11

Runtime: min

Chances of recovery by a cancer patient in Canada are examined. Guests: Dr James Till, Toronto's Princess Margaret Hospital, and Dr Robert Taylor of National Cancer Institute.

Air date: 1971-10-25

Runtime: min

A look at research which may bring hope to sufferers of a crippling disorder that affects those on the older side of the generation gap. Guests include Dr. Oleh Hornykiewicz, a pioneer in the discovery of the drug L-DOPA.

Air date: 1971-12-13

Runtime: min

A look at the endangered species of animals used in the fur trade, focusing on the Canadian market

Air date: 1972-01-03

Runtime: min

The life history of the seal, currently the object of the great spring seal hunt; the physiology and behavior of this unusual Arctic animal, plus an examination of its 8,000-mile migration from Hudson Strait to the Gulf of St. Lawrence and back. Also a look at the seal's unique adaptation for deep diving, currently under study by biologists at the University of Guelph in Ontario

Air date: 1972-01-10

Runtime: min

The world of the colorful bird family admired by hunters and birdwatchers alike.

Air date: 1972-01-17

Runtime: min

Pictorial life history of the Arctic animals throughout the seasons.

Air date: 1972-01-24

Runtime: min

A glimpse into the world of an unusual and amusing ocean inhabitant.

Air date: 1972-01-31

Runtime: min

Documentary look at the Yanomami, a fast-vanishing Indian tribe inhabiting the tropical rainforest of the Upper Orinoco River in southeastern Venezuela and Northern Brazil.[

Air date: 1972-05-15

Runtime: min

A visit to a deep network of underwater caves found offshore from the island of Andros, with Dr. George Benjamin, a Canadian research chemist and the world's foremost authority on the Bahamas' "blue holes" (underwater caves)