The Batman Mystery club Unaired pilot
The Monster Of Dumphreys Hall (09/05/1950)
Batman Mystery Club was supposed to be a radio show in which Robin introduces Bruce Wayne/Batman who told scary mystery stories, emphasizing that there is always a logical explanation for the supposedly supernatural. "The Monster of Dumphries Hall" is told at 103rd meeting of the Club. The first part of the show has Batman explaining the solution to the previous story Batman adjourns the meeting before the Dumphries Hall mystery is explained. Kids will have to wait until the 104th meeting of the club to get the answers.
This was recorded on September 5, 1950. It never went any further sadly. It could have been a lot of fun.