The doctors visit their alma mater, Tuskegee University, for a class reunion and become professors for the day. Meanwhile, a Shih Tzu is rushed to the clinic after swallowing a piece of rawhide; and the owner of pit bull with a deformed leg mulls drastic surgery.
A conference in San Diego has the doctors battling it out to see who will attend. Meanwhile, Aubrey treats a kinkajou that's almost 2 years old; Diarra gets rid of a miniature Doberman pinscher's bad breath; and Michael suspects a cat has a contagious disease.
Diarra treats a pig with a taste for household furniture; Michael makes a decision about a mastiff with a toy lodged in its intestines; Aubrey and his wife look forward to moving out of his mother's house and getting a place of their own.
Aubrey sees a bearded dragon that's laying bad eggs; Michael mulls treatment for a boxer with a tumor on its toe; Diarra's dreams of motorcycle riding with his brother are put on hold by a health scare.
In the Season 2 premiere, Aubrey treats baby kangaroos and hooks up with the owners of a petting zoo for an event at the clinic to promote animal awareness. Meanwhile, Diarra removes a mass from a beloved dog; and Michael cares for a vision- and hearing-impaired Great Dane.