I used to believe that there was an actual show, listed in the various guides, called "To Be Announced."
A childhood belief about tv shows

others believed things like this
- I used to believe that Off Air was an actual show, possibly about airplanes.— Gretchen
- I used to think that the TV show "Shark Tank" involved actual sharks in a tank.Anon
- I used to believe the show Law and Order was a gardening show called Lawn and Order.— Adriana
- I thought that the show Beavis and Butthead was called Penis and Butthead.— Porky's Butthole
- 'To Be Announced' in the TV guide was a film that was on all the time!— Clare
- while my son was crying one day, my little brother announced that "babies cry to let off moisture". ha!— i'm laughing WITH you