Simon King and Jonathan Scott spend every daylight hour unravelling the character and habits of the big cats they have followed for the last five weeks. With the aid of infra-red light, they continue their vigil into the night. Half-Tail the leopard and her cub have become more mobile, both by day and by night. The Big pride of lions can also be elusive, but with so many young cubs in the group, the effort to track them down pays off. Fundi the cheetah and her cubs are in good shape.