Season 4 - Episode Guide

Dr. Blue takes on an urgent case after a pit bull suffers a raccoon attack. Dr. Ross takes on an aggressive ferret, and the vets test out their pig whispering skills at an animal rescue. The doctors have a surprise announcement for their wives.

Dr. Lavigne sees a surprise on an X-ray of one of his favorite patients; Dr. Ross flexes his exotic vet chops with a fennec fox and a kinkajou with a highly contagious infection; Dr. Blue has his hands full with a former frat house pig named Aubie.

Dr. Blue has a crisis on his hands with a dog that chewed off her own tail, while Dr. Ross treats a reptile that might need a tail amputation. Dr. Lavigne helps Sutter Butter, a cat rescued from being thrown out of a car, and is now having seizures.

Dr. Blue recruits Dr. Ross to tackle two wolf spays at a local sanctuary; Dr. Lavigne performs surgery on a pit bull with a torn ACL; new vet Dr. Fedke treats a cat with a creepy, crawly injury.

Dr. Lavigne performs a risky surgery on a loving pit bull with a record-breaking tumor; Dr. Ross examines a rescue pigeon turned pet; an aspiring vet student joins Dr. Blue at Cy-Fair; the doctors deal with a heartbreaking situation at the clinic.

Bubby Cook the Basset Hound has a condition that could complicate surgery for Dr. Ross. Dr. Blue has a hog house call, and Dr. Lavigne has concerns over his vet tech assisting with an operation on her own dog. A blackout creates chaos at Cy-Fair.

Yuki the bulldog ate something she shouldn't have and it's up to Dr. Blue to find it; Dr. Lavigne and his wife learn how to do alternative home care on Suki, an amputee rescue cat his family adopted.

After treating a yoga goat, Dr. Blue brings his best namaste to a herd house call; Dr. Lavigne has his hands full with a trained protection dog who's not a fan of him or the cameras; a party reveals if the Blues will be adding pink to their family.