Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.
1999
2006
1980
—
2002
2008
1992
2021
2001
2020
2003
1974
2023
1990
2018
2014
2005
1993
1996
2010
