Think a root canal is tough? Try performing one on a tiger! Caring for wild animals is the ultimate medical challenge for veterinarians at the Smithsonian's National Zoo.

Join Chicagos zoo vets as they push the limits of veterinary science and forge a future for some of the worlds most endangered species.

Join the zoo doctors on their rounds as they treat a Silverback Gorilla with heart disease, a dolphin with lung issues, and meerkats in need of a checkup.