Radio shows that began on TV

Radio shows that were first on television and spun off a radio version:

Have Gun Will Travel

My Little Margie

Tom Corbett Space Cadet

Tales of Tomorrow

Howdy Doody

Adventures of Wild Bill Hickok

What's My Line?

Space Patrol began on local television in L.A. The radio version started about the same time as the TV network version. The TV network version was a weekly half-hour on Saturday.