Animals have long been part of the human experience, serving multiple purposes throughout history, from food to companionship. More recently, the therapeutic potential of animals in numerous clinical areas has been increasingly recognized, leading to more healthcare facilities providing animal-assisted therapy (AAT) to their patients. In this article, the author provides an overview of the history of AAT, outlines several benefits that are particularly relevant to geriatric patients, and describes how skilled nursing facilities can set up AAT programs, reviewing how to ensure proper animal selection and prevent zoonotic infections.