The doctors all want to be the one who goes to a vet conference in San Diego; Dr. Ross treats a young kinkajou, while Dr. Blue treats a Min Pin's drop-dead breath; Dr. Lavigne suspects a cat has a contagious disease.

The doctors visit their alma mater for a class reunion and become professors for a day; a shih tzu is rushed to the clinic after swallowing a large piece of rawhide, while the owner of a pit bull with a deformed leg must consider drastic surgery.