Father Dowling Mysteries - Season 3 - Eps 3: The Devil In The Deep Blue Sea Mystery
When most people look at Harry Deil they see one of the most powerful men in underworld crime. Father Dowling sees something else, something even more sinister: The devil. Now Father Dowling must beat him at his own game in order to save Sister Steve.
About Father Dowling Mysteries

Title: Father Dowling Mysteries
First Air Date: 1989-01-20
Last Air Date: 1991-05-02
Status: Ended
Rating: 7.3/10 (from 23 votes)
Language: EN
Seasons: 4
Total Episodes: 43
Network: ABC NBC
Genres: Comedy, Crime, Mystery
Production Companies: Viacom Productions, Dean Hargrove Productions, Fred Silverman Company
Synopsis
Father Dowling Mysteries is an American television mystery series that aired from January 20, 1989 to May 2, 1991. Prior to the series, a TV movie aired on November 30, 1987. For its first season, the show was on NBC; it moved to ABC for its last two seasons. It is based on the adventures of the title character created by Ralph McInerny, in a series of mystery novels. The series was produced by The Fred Siverman Company and Dean Hargrove Productions in association with Viacom Productions.
Cast

Tom Bosley
Father Frank Dowling

Tracy Nelson
Sister Stephanie 'Steve' Oskowski

James Stephens
Father Philip Prestwick

Mary Wickes
Marie Murkin