Whose Line Is It Anyway? (American TV series) season 4

The fourth season of the American television series Whose Line Is It Anyway? premiered on ABC on September 6, 2001, and concluded on April 11, 2002.

Main

 * Drew Carey
 * Ryan Stiles
 * Colin Mochrie
 * Wayne Brady

Recurring

 * Kathy Greenwood (eight episodes)
 * Brad Sherwood (eight episodes)
 * Greg Proops (six episodes)
 * Chip Esten (six episodes)
 * Jeff Davis (two episodes)
 * Whoopi Goldberg (one episode)

Episodes
The "winner(s)" of each episode – as chosen by host Drew Carey – are highlighted in italics. The winner would take his or her seat and call a sketch for Drew to perform (often with the help of the rest).