 Many of the celebrities appearing on both versions were fixtures on "Squares" and several other H-Q shows.The concept of determining a word or a short phrase was later utilized in two separate related shows, "All-Star Blitz" and "The Last Word", also produced by Heatter in the 1980s.The 1964 pilot and episode #826 (taped October 3, 1968) of PDQ are held by the UCLA Film and Television Archive.