Whose Line Is It Anyway? - Seasons (10)

Season 1 (Number of Episodes - 21)

Aug 5, 1998

Season 2 (Number of Episodes - 39)

Sep 16, 1999

Season 3 (Number of Episodes - 40)

Oct 4, 2000

Season 4 (Number of Episodes - 31)

Jan 24, 1992

Season 5 (Number of Episodes - 34)

Sep 9, 2002

Season 6 (Number of Episodes - 12)

Jun 24, 2004

Season 7 (Number of Episodes - 25)

Jan 17, 2005

Season 8 (Number of Episodes - 21)

Oct 3, 2005

Season 9 (Number of Episodes - 19)

Jul 3, 1997

Season 10 (Number of Episodes - 10)

Nov 30, -0001