The Deadly Impostor

John Colby, an old friend of Starsky and Hutch's, returns to town, and asks them to use their connections to help him find his ex-wife Karen. But as they look for the woman, the duo find that there are things that don't quite add up, and, unbeknownst to them, the man holds a sinister and deadly secret.

Aired: 1975-12-10