Gunsmoke. December 6, 1952. CBS net. "I Don't Know". Sustaining. Little Danny Birch brings Marshal Dillon and Chester out to the ranch...and a secret about his father. The program closing has been deleted, the story is complete. William Conrad, Parley Baer, Michael Ann Barrett, John Dehner, Lawrence Dobkin, Dick Beals, Lee Millar Jr., Antony Ellis (writer), Rex Koury (composer, conductor). oldtimeradiodvd.com Now you can hear The Old Time Radio Network of shows  on iHeartRadio for iPhone and Android FREE … Get the app at iHeartRadio.com, then search for Thriller OTR,Western OTR, Suspense OTR, Drama OTR, Mystery OTR, Scifi OTR, Horror OTR, Detective OTR, Adventure OTR, Comedy OTR  Works on a host of devices.