What's My Line? (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.
- First Air Date: 1950-02-02
- Last Air Date: 1967-09-03
- Total Seasons: 1
- Total Episodes: 876
- Episode Runtime: 30 min.
- Network: CBS
