When Leo and Emily decide to open their own zoo and charge admission, they encounter a few problems, but their families find a unique way to turn disaster into success.
The day before a panda arrives at the zoo from China, the other animals start acting funny. Mary-Kate and Ashley plan to find out what's behind all the monkey business at the zoo.
Bored with her life, popular high school junior Libby signs up for an internship at the zoo and discovers that the "science nerds" she meets there may have a few things to teach her about friendship and life.