Ep 5. Episode 5

The new baby woolly monkey, rejected and attacked by its mother, undergoes X-rays with worrying results. Chimpanzee Toprish finally conquers her fear of the great outdoors, and it seems she has caught the eye of young alpha male Bart. There's a new arrival at the park: Mo, a female cotton-top tamarin introduced to lonely Uncas. The hope is that they will become lifelong companions.