What's My Line? (1950)
| First Air Date: | 1950, February 2 |
| Last Air Date: | 1967, September 3 |
| Status: | Canceled |
| Seasons: | 1 |
| Episodes: | 876 |
| Episode Runtime: | 30 min |
Overview:
Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.