The First Nighter Program aired on the Blue Network and on Thursday nights at 8:30PM till 9:00PM, sponsored by Campana and starring Don Ameche and June Meredith. On October 4, 1942, The First Nighter program switched over from CBS to Mutual and was broadcast from 6:00 to 6:30 on Sunday evenings. At the end of the regular season for The First Nighter, on May 2, 1942, Murder Clinic switched time periods and came on three hours earlier as the summer replacement for the other program.


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