S2, E12: Starsky and Hutch's suspicions are aroused when they see a police captain with an extraordinary crime-fighting record accept an envelope from a racketeer. In "Iron Mike," after seeing Captain "Iron Mike" Ferguson take the envelope from shady entrepreneur Matt Coyle, the detectives suspect that the envelope contained payoff money and reluctantly decide to investigate. They are subsequently assigned to Ferguson's command and learn that he has received information about an impending holdup. Further unexplained tips to Ferguson lead them to a hideout, but in a shootout, Iron Mike is fatally wounded. Before he dies, he gives Starsky and Hutch a little black book that helps to explain how he had compiled his impressive arrest record and provides information that puts them on the trail of Coyle.