a US television police series in the early 1950s and again in the 1960s on NBC. It received three Emmy awards (1952-4). Jack Webb wrote and produced it and played the main character, Sergeant Joe Friday. Dragnet had earlier been a radio series, and was based on cases of the Los Angeles Police Department. It was the first US programme of its type to be shown on British television (in 1955). There have been two later Dragnet series (1967-70 and 2003-4) and a film was made in 1987.1950年代初的美国电视警察连续剧,1960年代又在NBC播出。它获得了三个艾美奖(1952-4)。杰克·韦伯(Jack Webb)编写并制作了该剧,并扮演了主角乔·星期五中士。Dragnet以前是广播剧,是根据洛杉矶警察局的案件制作的。这是美国电视上第一部此类电视节目(1955年)。后来有两个Dragnet系列影片(1967-70和2003-4),而电影是在1987年制作的。