Dragnet - The Big War (1958) crime drama TV series

Dragnet —later syndicated as Badge 714 — was an American television series, based on the radio series of the same name, both created by their star, Jack Webb. Both shows take their name from the police term "dragnet", meaning a system of coordinated measures for apprehending criminals or suspects.

The show enacts the cases of a dedicated Los Angeles police detective, Sergeant Joe Friday, reprise by Webb; also starring was Ben Alexander as his partner, Officer Frank Smith. (source - wikipedia)

Plot - Friday and Smith attempt to get ahold of the leaders of several street gangs in order to stop an approaching gang war. (IMDB)

Director: Jack Webb
Writers: Jack Webb (creator), James E. Moser
Stars: Jack Webb, Ben Alexander, Natalie Masters
Production Co: Mark VII Ltd.