E1 - A Little Miracle

Aired: September 30, 2017

In the Season 4 premiere, a black Lab swallows toxic metal; a lost cat is found after a one-and-a-half year absence, but has a mysterious injury; and a tiny dog has a big, life-threatening problem.

E2 - Lily's Puppy Mill Rescue

Aired: October 07, 2017

E3 - Hog Wild

Aired: October 14, 2017

E4 - The Dog Who Won Jeff's Heart

Aired: October 21, 2017

E5 - Into the Jungle

Aired: October 28, 2017

E6 - Saving Bear

Aired: November 04, 2017

E7 - The Heart of a Pit Bull

Aired: November 11, 2017

Dr. Jeff performs emergency surgery on a pit bull and makes a surprising discovery. Dr. Baier treats a goat kicked by a horse. A couple drives all night hoping the team can fix their dog's shattered leg. And an injured ostrich is taken care of.

E8 - The Littlest Patients

Aired: November 18, 2017

A high-risk surgery is attempted to save the life of a beloved puppy; a 3-day-old orphaned kitten needs Dr. Baier's help to stay alive; a puppy is given a fifty-fifty chance of survival after it's rushed to the clinic with a deadly virus.

E9 - A Far Away Home

Aired: November 25, 2017

E10 - He's Ours Now

Aired: December 02, 2017