The first season of the American version of Whose Line Is It Anyway? aired from 1998 to 1999.
Cast
- Host: Drew Carey
- Regular performers:
- Other performers:
Episodes
- Episode 1-01 - 5 August 1998
- Episode 1-02 - 12 August 1998
- Episode 1-03 - 19 August 1998
- Episode 1-04 - 26 August 1998
- Episode 1-05 - 2 September 1998
- Episode 1-06 - 9 September 1998
- Episode 1-07 - 23 September 1998
- Episode 1-08 - 17 October 1998
- Episode 1-09 - 16 December 1998
- Episode 1-10 - 6 January 1999
- Episode 1-11 - 13 January 1999
- Episode 1-12 - 20 January 1999
- Episode 1-13 - 27 January 1999
- Episode 1-14 - 3 February 1999
- Episode 1-15 - 10 February 1999
- Episode 1-16 - 17 February 1999
- Episode 1-17 - 24 February 1999
- Episode 1-18 - 10 March 1999
- Episode 1-19 - 17 March 1999
- Episode 1-20 - 24 March 1999