On the July 18th, 1948 episode of Sam Spade, entitled "The Missing Newshawk Caper," Lurene Tuttle returned to the series as secretary Effie Perine after taking the previous three episodes off.

In New York, this episode ran at 8PM on WCBS opposite The Robert Shaw Chorale on NBC, Alexander's Meditation Board on WOR/MBS, and Stop the Music on WJZ/ABC.

In Los Angeles, it ran at 9PM on KNX/CBS opposite The Symphony Hour on KFI/NBC, news on KHJ/MBS, and Unexpected on KECA/ABC.