Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.
What's My Line? - S01E01 - Episode 1
What's My Line? - S01E02 - Episode 2
What's My Line? - S01E03 - Episode 3
What's My Line? - S01E04 - Episode 4
What's My Line? - S01E05 - Episode 5
What's My Line? - S01E06 - Episode 6
What's My Line? - S01E07 - Episode 7
What's My Line? - S01E08 - Episode 8
What's My Line? - S01E09 - Episode 9
What's My Line? - S01E10 - Episode 10
What's My Line? - S01E11 - Episode 11
What's My Line? - S01E13 - Episode 13
What's My Line? - S01E14 - Episode 14
What's My Line? - S01E15 - Episode 15