- HD 1080
- Runtime: 30m.
- Status: Canceled
0
- Languages: en
- Country: United States of America
- Stars: John Charles Daly
- keywords: game show, celebrity panel
- Production_studio: Mark Goodson-Bill Todman Productions
- Seasons: 1
- Episodes: 876
- First air date: 1950-02-02
- Last air date: 1967-09-03
- providers: Amazon Prime Video, Amazon Prime Video with Ads
- The What's My Line? is featured in the top rankings of 1950
- #1 in Top Comedy Series of 1950
- #1 in Top Family Series of 1950
Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.