I thought that "To be announced" was the actual name of a show. When scrolling through the channel listings, it would always say "To be announced" by a lot of the news channels so I just assumed it was news show.
A childhood belief about tv

others believed things like this
- I used to believe that there was an actual show, listed in the various guides, called "To Be Announced."— Donna
- I used to believe that Off Air was an actual show, possibly about airplanes.— Gretchen
- '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
- My 3 year old little girl announced after spinning around for ages that she was 'feeing guilty' :-)— Adam
- I used to think that 'black comedy' was show like Family Matters and The Cosby Show.— Katie