A group of American explorers and scientists in Africa, including two women, venture into the wild looking for gorillas. When one of the women goes missing, their native guides quit their jobs, and the men lead a slaughter of the gorillas, the other woman wonders if the first woman disappeared into the world of the gorillas by choice, to escape the confines of her life with men.

A middle-aged woman leads a traveling circus act through the Midwest featuring 26 monkeys who climb into a bathtub and disappear and then reappear on her bus after the show. The impending death of one of the key monkeys causes her to wrestle with the meaning of life.

An esteemed chimpanzee expert retires in her Connecticut hometown with an ape who was raised as a human.

Advancements in technology bring a chimpanzee's intelligence on par with humans, and he sets off to the moon to conduct research while yearning for his simpler life before he was augmented.

A circus wire-walker suffers an injury that relegates him to an unimportant side-show, but he finds solace in the company of a Rhesus monkey who has lost her child.

A teacher at an orangutan school develops intimate feelings for one of his students.

Jim's years of experience as a zookeeper and guard haven't prepared him for the boy who climbs into the lion's den - or the animals' unnatural behavior afterwards.

After a trial injection of an experimental drug into a group of monkeys, an observer watches the various participants’ unusual and often deadly responses.

The child of two American expatriates in modern Zambia walks through a party, discovering the secret life that servants lead when she isn’t looking.

Sly, a monkey with human capacities, is growing increasingly upset with his containment. All he wants is to be treated with respect.