• Ma Perkins
• Macabre
• Macy Morning Show
• Mad Masters
• Maggie's Private Wire
• Magic Island, The
• Magic Key
• Magic Key of RCA, The
• Magnificent Montague, The
• Mail Call
• Majestic Master of Mystery
• Major Bowes' Original Amateur Hour
• Make Believe Town
• Makers of History
• Man Behind the Gun, The
• Man Called X, A
• Man Called X, The
• Man From Homicide, The
• Man Named Jordan, A
• Mandrake, the Magician
• Manhattan At Midnight
• Manhattan Melodies
• Manhattan Merry-Go-Round
• Manhattan Mother
• Manhunt
• March Of Time
• Marconi Memorial Program
• Maritime History
• Mark Trail
• Marmola Entertainers
• Marriage, The
• Martha White Biscuit Time
• Martin and Lewis Show, The
• Martin Kane, Private Detective
• Marx Brothers, The
• Mary Foster, Editors Daughter
• Mary Lee Taylor Show, The
• Mary Noble, Backstage Wife
• Mary Pickford and Company
• Masters Music Room
• Matthew Slade, P.I.
• Maxwell House Coffee Showboat
• Maxwell House Coffee Time
• Maxwell House-Birdseye Variety Special
• Mayor of the Town
• Maytag Frolics
• McCackie Mansion
• McCoy, The
• Meet Corliss Archer
• Meet Me at Parky's
• Meet Me In St. Louis
• Meet Millie
• Meet Miss Sherlock
• Meet Mr. McNutley
• Meet The Meeks
• Mel Blanc Show, The
• Mel Blanc's Fixit Shop
• Melody Cruise
• Melody Puzzlers
• Melody Ranch
• Melody Showcase
• Melody Souveniers
• Melody Trail
• Men In The AAF, The
• Mercury Summer Theater, The
• Mercury Theater of The Air
• Mercury Theater on the Air, The
• Mercury Theater Reunion
• Mercury Theater, The
• Meredith Willson's Musical Revue
• MGM Movie Previews
• MGM Musical Comedy Theater
• Michael Piper, Private Detective
• Mickey Mouse Theater, The
• Midmorning Matinee
• Midnight Merry-Go-Round, The
• Mike Hammer
• Mildred Bailey Show, The
• Milestones On The Road To Peace
• Millions for Defense
• Milton Berle Show, The
• Mind Your Manners
• Minnesotta School Of The Air, The
• Minstrel Train, The
• Mirror of Life
• Mirth And Madness
• Mirth And Melody
• Mirth Parade, The
• Misadventures of Si and Elmer
• Mischa The Magnificent
• Miss Pinkerton, Inc.
• Modern Adventures Of Casanova, The
• Molle Mystery Theater
• Moon Mullins
• Moon Over Africa
• Moon River
• Morey Amsterdam Show, The
• Movie Exerpt
• Movie Matinee Quiz Show
• Movie Parade
• Movie Previews
• Movie Promo
• Movietone News
• Mr. Aladdin
• Mr. and Mrs. Blandings
• Mr. and Mrs. North
• Mr. Chameleon
• Mr. District Attorney
• Mr. Feathers
• Mr. Keene, Tracer of Lost Persons
• Mr. Moto
• Mr. President
• Mrs. Obbs
• Much About Dolittle
• Mulligans Travels
• Murder at Midnight
• Murder By Experts
• Murder Clinic
• Murder Will Out
• Music America Loves Best
• Music and the Muse
• Music From America
• Music In The Foster Fashion
• Music on Deck
• Music Valley
• Music With Wings
• Musical Autographs
• Musical Showroom
• Mutual Comedy Playhouse
• Mutual Radio Network Presents, The
• My Favorite Husband
• My Friend Irma
• My Little Margie
• My Lucky Break
• My Mothers Husband
• My Name Is Adam Kain
• My Raggedy Ann
• My Secret Story
• My Son Jeep
• My Wildest Dream
• Myrt and Marge
• Mysterious Traveler, The
• Mystery Award Theater
• Mystery Chef
• Mystery House
• Mystery In The Air
• Mystery is My Hobby
• Mystery Playhouse
• Mystery Theater