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We head back to the Fourth of July. Before Dr. Pol and his staff are able to fully enjoy the celebrations, they must take care of animals that need their help immediately. We check in with Dr. Brenda who starts her day by prescribing anti-anxiety medications to Chloe, an adorable puppy, so she can get through the Independence Day fireworks. Meanwhile, Dr. Pol and Charles receive an urgent call about a stricken calf; when they arrive on the scene, they realize that it is suffering from pneumonia.