Queen for a Day was a radio and television game series. It was one of the first big-prize giveaway television programs. "Queen for a Day" had its launch on the radio on April 30, 1945. It ran on the radio until 1957. The program then ran on television's NBC from 1956 to 1964. The program is something of an early "reality show". The program was so popular that NBC increased its running time from 30 minutes to 45 minutes.