Wonder Horse (S04E06)

With Father's Day approaching, Charles is organizing a special camping adventure for him and his dad. Meanwhile, Dr. Pol and Dr. Brenda are inundated with a slew of cases at the clinic. Their first patient is a wild cow with a hurt hoof, and they must determine the source of her distress while avoiding injury themselves. Following that, they encounter Chubbs, an energetic black lab plagued by an unexplained illness. Can Dr. Pol unravel the mystery so that Chubbs can return to his lively, cheerful self?