"Good night, gorilla!" says the tired zookeeper as he heads for home, not noticing that the gorilla has stolen his keys! The curious little gorilla follows the fatherly keeper, releasing the other animals, who tiptoe behind him to his cottage and settle down to sleep all around his bedroom, unobserved—until the happy little gorilla snuggles up between the keeper and his wife, for a riotous ending to this "giggly bedtime story".