The radio programs listed below are all from the United States.
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15 Minutes with Bing Crosby (1931) 2000 Plus (1950–1952) 2000X (2000) 21st Precinct (1953–1956) The $64 Question (1950–1952)
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A Christmas Sing with Bing (1955–1962), annual program of Christmas music. The A&P Gypsies, variety (1930, NBC-Red, 8:30–9:30 p.m. Mondays). The host and band leader was Harry Horlick. Announcers were Phillips Carlin and Milton Cross. A.L. Alexander's Goodwill Court (1936, NBC, 30 minutes weekly). A.L. Alexander's Mediation Board, advice (1943–1952, Mutual). The Abbott and Costello Children's Show (1947–1949, ABC). The Abbott and Costello Show, comedy, 30 minutes (1940, 1942–1947, NBC; 1947–1949, ABC). Abbott Mysteries, mystery (1945–1947, Mutual Broadcasting System, 30 minutes). Based on the novels by Frances Crane. The stars were Julie Stevens as Jean Abbott and Charles Webster as Pat Abbott. The writers included Howard Merrill and Ed Adamsom. ABC Mystery Theater, mystery (1951–1954), ABC The Abe Burrows Show, comedy (1947-1948, CBS, 15 minutes). Abie's Irish Rose, comedy (1942–1944, NBC, 8:00–8:30 p.m. Sunday). Academy Award (radio), anthology (1946, CBS, 30 minutes). Music: Leith Stevens. Producer: Lee Engelbach. Adaptations: Frank Wilson. Accordiana (1934, CBS, 8:30-9:00 p.m. Tuesday), with soprano Vivienne Segal, tenor Oliver Smith, and the Abe Lyman Orchestra. Acousticon Hour, (1927–1928, NBC, 5:30–6:00 p.m. Sundays). Action, anthology series (1945); one episode: High Explosive with Jane Wyatt, Robert Lowery, and star and narrator William Gargan. The Adam Carolla Show (2006–2009). Add a Line, game, (1949, ABC, 30 minutes). Host: John Nelson. The Adele Clark Show, variety, (1945–1946, ABC, 30 minutes).; Host and Singer: Adele Clark. Announcer: Gene Kirby. Music: Jack Kelly and his orchestra. Adopted Daughter (1937-1941). Adult Education Series (1938–1957). Adventure Parade, anthology (1946–1949, MBS, 15 minutes). Host/Storyteller: John Griggs. Announcer: George Hogan. Adventures by Morse, adventure (1944, syndicated, 30 minutes). Elliott Lewis, David Ellis, and Russell Thorson as Bart Friday. Barton Yarborough as Skip Turner. Writer/Producer: Carlton E. Morse. Adventures in Odyssey (1987–present). The Adventures of Babe Ruth. The Adventures of Bill Lance, crime drama (1947–1948, ABC, 30 minutes). Gerald Mohr as Bill Lance. Announcer: Owen James. The Adventures of Champion, adventure (1949–1950, MBS, 15 minutes). Adventures of Gene Autry's horse, Champion. The Adventures of Christopher Wells, crime drama (1947–1948, CBS, 30 minutes). Myron McCormick and Les Damon as Christopher Wells. Charlotte Lawrence and Vicki Vola as Stacy McGill. Orchestra: Peter von Streeden. The Adventures of Dick Cole, adventure (1942, syndicated, 30 minutes). Dick Cole was a comic book character. Leon Janney played Dick Cole. The announcer was Paul Luther and music was by Lew White. The Adventures of Ellery Queen (1939–1948). The Adventures of Father Brown, crime drama, (1945, MBS, 30 minutes). The Adventures of Frank Merriwell, adventure (1946–1949, NBC, 30 minutes). The Adventures of Frank Race, adventure (1949–1950, syndicated, 30 minutes). The stars were Tom Collins and Paul Dubov as Frank Race and Tony Barnett as Mark Donovan. The announcer was Art Gilmore, and the music by Ivan Ditmars. The Adventures of Gracie, (also known as The Vintage White Owl Program) comedy, (1934–1935, CBS, 30 minutes). The hosts and stars were George Burns and Gracie Allen. Vocalists included The Picken Sisters and the White Owl Buccaneers. The announcer was Bill Goodwin. Robert E. Dolan led the orchestra. The Adventures of Helen and Mary, children's, (1929–1934, CBS, 30 minutes). Became Let's Pretend. Estelle Levy played Helen, Patricia Ryan played Mary. Maurice Brown was the announcer. The Adventures of Leonidas Witherall, mystery, (1944–1945, MBS, 30 minutes). Starring Walter Hampden as Leonidas Witherall, Agnes Moorehead and Ethel Remey as Mrs. Mollett and Jack MacBryde as Police Sgt. McCloud. The announcer was Carl Caruso, with music by Milton Kane. The program was produced by Roger Bower. The Adventures of Maisie (1945–1952). The Adventures of Nero Wolfe, mystery (1943–1944, ABC, 30 minutes). The Adventures of Ozzie and Harriet, comedy, (1944–1954, CBS 1944–1948, NBC 1948–1949, CBS 1949, ABC 1949–1954, 30 minutes). The Adventures of Philip Marlowe, crime drama (1947, NBC; 1948–1951, CBS). The Adventures of Rin Tin Tin, adventure (1955, MBS, 30 minutes). The Adventures of Sam Spade (1946–1951) The Adventures of Superman (1940–1951). The Adventures of the Abbotts, mystery (1954–1955, NBC, 30 minutes). Claudia Morgan as Jean Abbott and Les Damon as Pat Abbott. The Adventures of the Thin Man (1941–1950).