Old-time radio and classic TV fans are familiar with the source material of this play as the long-running sitcom starring Eve Arden as America's favorite schoolteacher—but apart from the character of Connie Brooks there's very little in the … I think I may have been the only one in the cast who was familiar with the radio/TV show (well, I had heard a few of the radio broadcasts—my exposure to the video version would come later) and all I really did in the play was do to … …

Continued here:
Thrilling Days of Yesteryear: The principal of the thing