Miniseries

7 episodes July 14, 1969

Episodes

1 The Winners Jul 14, 1969 No ratings 2 Survival in the Sea Jul 21, 1969 No ratings 3 Life in Parched Lands Jul 28, 1969 No ratings 4 Animal War, Animal Peace Aug 4, 1969 No ratings 5 The Dam Builders Aug 11, 1969 No ratings 6 The Child Watcher Aug 18, 1969 No ratings 7 Riddle of Heredity Aug 25, 1969 No ratings