Columbo. The first two and maybe three seasons were absolute TV classics. The later ones were a little bit tame and the character of Columbo seemed to lose some of his more quirky habits which made the first seasons so memorable. Great TV mysteries though with a twist: You knew who the murderer was, but how would Columbo nail him?
Perry Mason and Della Street Perry Mason Show- an American dramatized court show produced by Paisano Productions that ran from September 1957 to May 1966 on CBS. The title character, portrayed by Raymond Burr, is a fictional Los Angeles defense attorney who originally appeared in detective fiction by Erle Stanley Gardner