A young dog suffers a broken leg after jumping out the back of a pick-up truck; a cat gets injured fighting its neighbor's dog; Dr. Jeff helps a rescued fox from the Rockies; rushing to save the pet hedgehog of a fourth-grade class.

With thousands of animals in need, and vet care unaffordable to most, Dr. Jeff and his team head to Mexico to run a mobile clinic and help as many people and pets as they can.