Changing attitudes toward animals. Included: the worship of bulls and birds in ancient Egypt; the use of animals in spectator sports during the Roman Empire. Also: a visit to Crete to see olive oil being made and men diving for sponges. David Attenborough hosts.

David Attenborough visits Jordan, Spain, Italy and Malta. Included: the Arabs' passion for horses, which were the key to the spread of Islam in Spain; the devastation of forests in Spain for sheep pastures and in Italy for shipbuilding.