National Geographic: Secrets of the Zoo - Season 3

Secrets of the Zoo gives unprecedented behind-the-scenes access to one of the nation's largest and most popular zoos, The Columbus Zoo and Aquarium. With 2,000 employees, 10,000 animals, 6,000 veterinary cases and more than 100 animal births each year, Secrets of the Zoo tells the dramatic, heartwarming and often hilarious stories of the animals and animal lovers, alike.