The F.B.I. - Season 1 - Eps 6: To Free My Enemy
The good inspector has the distasteful job of finding a kidnap victim--a pornographer that the good inspector is trying build a case against. In the end, Erskine captures the kidnappers and obtains a warrant for the arrest of the pornographer.
About The F.B.I.

Title: The F.B.I.
First Air Date: 1965-09-19
Last Air Date: 1974-04-28
Status: Ended
Rating: 5.5/10 (from 23 votes)
Language: EN
Seasons: 9
Total Episodes: 241
Network: ABC
Genres: Crime, Drama, Mystery
Production Companies: Unknown
Synopsis
The F.B.I. is an American television series that was broadcast on ABC from 1965 to 1974. It was sponsored by the Ford Motor Company, and the characters almost always drove Ford vehicles in the series. Alcoa was co-sponsor of Season One only.
Cast

Efrem Zimbalist Jr.
Lewis Erskine

Philip Abbott
Arthur Ward

Marvin Miller
Narrator (uncredited)

William Reynolds
Special Agent Tom Colby

Shelly Novack
Agente especial Chris Daniels

Stephen Brooks
Agente especial Jim Rhodes