[1] The show occasionally employed guest pranksters, including Bela Lugosi, who appeared as "a shopkeeper of ghoulish curios"[7] on the October 24, 1947, episode.
[3] Radio historian John Dunning wrote, "Imagination and cheek were the key ingredients, with a vast reservoir of patience," for the program to succeed.
The editing process was painfully tedious, as many as 100 splices made in a piece of wire that yielded a three-minute stunt.
[2] In the announcer's remarks at the end of each episode, he gave the network's address and encouraged listeners to write to the program.
[11] The trade publication Billboard reported that ABC "completely overhauled the apparatus" on The Candid Microphone and three other radio programs to adapt them for television.
[19] In 1955, Jubliee Records issued "The Best of Allen Funt's Candid Mike', a long-playing album of excerpts from the program.
A review in Billboard said, "The hidden mike gimmick is a good party item, and the off-guard sequences on this disk have their funny moments, altho [sic] scarcely in the 'best' category.
"[20] A review in Billboard said that the premiere episode of The Candid Microphone failed to meet expectations because "the aired sequences consisted simply of 'forced' situations rather than incidents during which the mike accidentally acted as an eavesdropper.
"[9] The review called the show's concept "a fine idea ... that can produce hilarious top-notch entertainment" but said that better interviews were essential to achieving that goal.
[9] Media critic John Crosby wrote that listening to The Candid Microphone was "a wonderful sport, like looking through keyholes but capable of infinitely greater variety.
He said, "Called by critics the most original show in a decade, Candid Microphone has been acclaimed by doctors as a contribution to the study of psychiatry, and college professors have requested copies of many recordings to be used in schools of speech.