Looking behind the curtain on The Wizard of Oz

Remember the joy of seeing The Wizard of Oz the first time?

Boomers! Remember how CBS used to show the movie just once a year, then open it for us in prime time as a holiday gift? It was an Event, right up there with Halloween, Christmas and birthdays.

You whippersnappers today, raised on home video and On Demand and streaming movies — you’ll never know the thrill of anticipation, the-whole-family delight of curling up with Mom and Pop and Sis and Baby Boy Phil in front of a television the size...