Four panelists must determine guests' occupations - and, in the case of famous guests, while blindfolded, their identity - by asking only "yes" or "no" questions.
2009
2022
2005
2008
2012
2003
1999
2023
1991
1987
1970
2014
2020
2001
2021
2017
2019
2006
1980
2013
