S4, EP9 "Pro Bone-O Work"
The Schroeders examine the state trooper K9s and join a training session; Dr. Ben saves a cat that ate string; Dr. Erin helps a dog after an attack.
S4, EP8 "Thanks for the Mammaries"
The Schroeders adopt a new dog and have a spa day for their many pets.
S4, EP7 "Chicken: Impossible"
A chicken lays an egg while under anesthesia; a puppy has a garbage gut; the vets come together to save a mare in labor.
S4, EP6 "A Moo York State of Mind"
The Schroeders travel to New York to visit Erin's parents.
S4, EP5 "Foal New World"
Dr. Ben examines a lucky duck; Dr. Erin finds herself in a hairy situation.
S4, EP3 "May the Horse Be With You"
The Schroeders welcome three new horses to their riverside home.