Dr. Jeff discovers a large mass on a loveable canine. Dr. Don helps Kelly the vet tech with her dog's sun-damaged nose, while Dr. Baier and Hector join forces to treat wild bison.

An adventurous pup falls from a trampoline and it's up to Dr. Jeff and Petra to mend its broken leg. A dog called Pebbles must undergo emergency surgery for bladder stones, and Dr. Jeff also helps a young alligator with an injured tail.