How long can you hold your poker face before you get the giggles? Comedians and celebrities face off to win money for their charities of choice. The comedians have three rounds to show us their best work and make their celeb crack a smile.
2010
1996
2012
1971
2007
1984
2020
1987
1975
2002
1969
2005
1994
1993
2001
1999