Secrets of the Zoo

3:00 AM to 4:00 AM

Saturday 29 March

Compilation: Doc Doc Who's There

Mac the Gorilla has to pass his annual exam before celebrating a big birthday. Plus, a well-slept alligator gets his yearly check-up

Secrets of the Zoo airs on National Geographic WILD HD at 3:00 AM, Saturday 29 March.

Topics

News ➝ Current Affairs

Documentary