Animal trainers rescue difficult-to-love and untrained dogs that find themselves at the neighborhood animal shelter. The trainers then tackle the involved task of transforming dogs with behavioral issues into model pets, using sound training methods that viewers can use at home to train their own dogs. Each episode showcases the story of the success story of a rehabilitated dog and the family that takes it home.

Animal trainer Brandon McMillan's mission is to rescue difficult-to-love and untrained dogs that find themselves at the neighborhood animal shelter, his home away from home. At McMillan's training facility, Lucky Dog Ranch, he tackles the involved task of transforming dogs with behavioral issues into model pets. Each episode showcases the story of the success story of a rehabilitated dog and the family that takes it home.

Why Brandon McMillan left Lucky Dog?

He cited his reasons for leaving as the show dynamic changing from showcasing his "passion for saving dogs and training them for a purpose" to something more corporate-driven. "As the years went on big money started pouring into the show which meant more cooks in the kitchen making decisions." wrote Brandon. (Source: https://www.the-sun.com/entertainment/2067123/brandon-mcmillan-lucky-dog-cbs-season-8/)