After an attempted dog-napping, Higgins volunteers Magnum's services to guard a wealthy socialite's quarantined dog. Things get complicated when the dog's former owner, Victor DiGiorgio, who also happens to be a notorious gangster, tries to get him back. In time, "Sir Algernon Farnsworth" finds himself to be the most wanted dog in Hawaii.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
Magnum helps protect a dog from being kidnapped by a gangster and his two nephews. Guest stars: Michael V. Gazzo and Kathleen Nolan Note: First episode to feature the Mike Post and Pete Carpenter Magnum, P.I. theme music. It can be heard throughout the episode and over the closing credits from this episode onwards but it is not used yet over the opening credits until the episode number 12, "Thicker Than Blood".