5. Episode 5

Noel Fitzpatrick treats a six-year-old shih-tzu that can barely walk due to the severe arthritis in its hip, as well as a two-year-old Labrador suffering osteoarthritis in all four legs. He also helps a four-month-old German shepherd with a genetic disease affecting its joints - but the test results are worse than the professor feared and It will require all his surgical skills to repair.