Canine arthroscopy has made significant technological and scientific advancements in the last 10 years. The history of canine arthroscopy and currently available equipment required for performing diagnostic and therapeutic arthroscopy are discussed. Basic arthroscopic techniques are described in detail. Specific approaches to the major joints and associated disease processes treatable by arthroscopic methods are reviewed. The future of canine arthroscopy is bright and specific procedures for treating the joint diseases of dogs will undoubtedly be described as the collective arthroscopic expertise of veterinary surgeons increases.