What's My Line?/Episode Guide

Recorded in New York City, New York at the Grand Central Studios/CBS Studio 41 from February to March 1950, the Maxine Elliott's Theatre/CBS Studio 51 from April to December 1950, the Mansfield Theater/CBS Studio 59 from January 1951 to June 1960, CBS Studio 52 from June 1960 to July 1966, and CBS Broadcast Center/Studio 41 from September 1966 to September 1967.