Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.
Canceled
What's My Line?
February 2, 1950
September 3, 1967
1
876
English
Mark Goodson-Bill Todman Productions
CBS
2010
1964
1955
1995
2003
2019
2020
2011
1999
2021
2006
1994
2015
2013
2005
2022
