Spiders are not very popular, but their amazing courtship and feeding behaviour make fascinating viewing when filmed by those masters of macrophotography.

Primitive medicine is the subject of tonight's film which comes from the rain forests of Malaya. Dr. Ivan Polunin, a lecturer in medicine at the University of Singapore, has for many years been studying this art as practised by aborigines in various parts of the world. Magic in the Hills is an account of his journey, to meet the Jah Hut people of Malaya, and to observe the fascinating ritual and practice of their applied medicine.