# Whose Line Is It Anyway? (American TV series) season 20

The twentieth season of the American television series Whose Line Is It Anyway? premiered on The CW on March 31, 2023, and concluded on February 6, 2024.

## Production

On January 23, 2023, it was announced that the new season would premiere on March 31, 2023.

## Cast
### Main

* Aisha Tyler
* Ryan Stiles
* Colin Mochrie
* Wayne Brady

### Recurring

* Gary Anthony Williams (eight episodes)
* Jeff Davis (seven episodes)
* Jonathan Mangum (five episodes)
* Greg Proops (four episodes)
* Keegan-Michael Key (two episodes)
* Nyima Funk (one episode)
* Brad Sherwood (one episode)

## Episodes

"Winner(s)" of each episode as chosen by host Aisha Tyler are highlighted in italics. The winner(s) perform a sketch during the credit roll, just like in the original British series.
| No. overall | No. in season | Performers | Special guest | Original air date | Prod. code | U.S. viewers (millions) |
| 394 | 1 | Wayne Brady, Jeff Davis, Keegan-Michael Key, Colin Mochrie, Ryan Stiles | Candice Accola | March 31, 2023 (2023-03-31) | 1209 | 0.48 |
| Games performed: Forward Rewind, Hats/Dating Service Video, Daytime Talk Show, Scenes from a Hat, Dubbing (w/Candice Accola), Greatest Hits |||||||
| 395 | 2 | Wayne Brady, Brad Sherwood, Jonathan Mangum, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | Marisol Nichols | April 7, 2023 (2023-04-07) | 1208 | 0.43 |
| Games performed: Party Quirks, Dubbing (w/Marisol Nichols), Piranha Tank, Doo Wop, Scenes from a Hat, Greatest Hits |||||||
| 396 | 3 | Wayne Brady, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | Penn & Teller | April 14, 2023 (2023-04-14) | 1201 | 0.55 |
| Games performed: Hollywood Director, Scenes from a Hat, Radio Show (w/Penn & Teller), Greatest Hits |||||||
| 397 | 4 | Wayne Brady, Keegan-Michael Key, Colin Mochrie, Ryan Stiles | none | April 21, 2023 (2023-04-21) | 1203 | 0.52 |
| Games performed: Scenes from a Hat, Sideways Scene, Stand Sit Bend, Irish Drinking Song, Greatest Hits |||||||
| 398 | 5 | Wayne Brady, Gary Anthony Williams, Jeff Davis, Colin Mochrie, Ryan Stiles | Danielle Panabaker | April 28, 2023 (2023-04-28) | 1207 | 0.44 |
| Games performed: Scenes to Music, Themed Restaurant (w/Danielle Panabaker), Doo-Wop, Daytime Talk Show, Scenes from a Hat, Scenes with Masks, Hoedown |||||||
| 399 | 6 | Wayne Brady, Jeff Davis, Colin Mochrie, Ryan Stiles | Rachel Bloom | May 5, 2023 (2023-05-05) | 1204 | 0.44 |
| Games performed: Weird Newscasters, Dubbing (w/Rachel Bloom), Party Quirks, Scenes from a Hat, Greatest Hits |||||||
| 400 | 7 | Wayne Brady, Nyima Funk, Colin Mochrie, Ryan Stiles | Jack Osbourne | May 12, 2023 (2023-05-12) | 1202 | 0.36 |
| Games performed: Scenes from a Hat, Song Styles (w/Jack Osbourne), Informercial, Irish Drinking Song, Greatest Hits |||||||
| 401 | 8 | Wayne Brady, Gary Anthony Williams, Jeff Davis, Jonathan Mangum, Colin Mochrie, Ryan Stiles | none | May 19, 2023 (2023-05-19) | 1210 | 0.47 |
| Games performed: Get Down, Lounge Lizards, Infomercial, Scenes from a Hat, Newsflash, Show-Stopping Number, Greatest Hits |||||||
| 402 | 9 | Wayne Brady, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | Mircea Monroe | June 2, 2023 (2023-06-02) | 1205 | 0.50 |
| Games performed: Let's Make A Date, Duet (w/Mircea Monroe), Scenes from a Hat, Newsflash, Irish Drinking Song, Greatest Hits |||||||
| 403 | 10 | Wayne Brady, Greg Proops, Colin Mochrie, Ryan Stiles | Kat Graham | June 9, 2023 (2023-06-09) | 1206 | 0.43 |
| Games performed: Weird Newscasters, 90 Second Alphabet, Dubbing (w/Kat Graham), Scenes from a Hat, Greatest Hits |||||||
| 404 | 11 | Wayne Brady, Jonathan Mangum, Colin Mochrie, Ryan Stiles | Tiffany Haddish | November 14, 2023 (2023-11-14) | 1221 | 0.46 |
| Games performed: Hollywood Director, Duet (w/Tiffany Haddish), Scenes from a Hat, Helping Hands (w/Tiffany Haddish) |||||||
| 405 | 12 | Wayne Brady, Jonathan Mangum, Colin Mochrie, Ryan Stiles | Tiffany Coyne | November 14, 2023 (2023-11-14) | 1220 | 0.48 |
| Games performed: Questions with Hats, Duet (w/Tiffany Coyne), Props, Living Scenery (w/Tiffany Coyne), Greatest Hits |||||||
| 406 | 13 | Wayne Brady, Greg Proops, Colin Mochrie, Ryan Stiles | Jordin Sparks | November 21, 2023 (2023-11-21) | 1214 | 0.48 |
| Games performed: Weird Newscasters, Song Styles (w/Jordin Sparks), Scenes from a Hat, Helping Hands (w/Jordin Sparks) |||||||
| 407 | 14 | Wayne Brady, Jeff Davis, Colin Mochrie, Ryan Stiles | Maile Brady | November 28, 2023 (2023-11-28) | 1212 | 0.32 |
| Games performed: Press Conference, Duet (w/Maile Brady), Mixed Messages, Props (w/Maile Brady), Film Dub, Dubbing (w/Maile Brady) |||||||
| 408 | 15 | Wayne Brady, Jeff Davis, Colin Mochrie, Ryan Stiles | none | December 5, 2023 (2023-12-05) | 1213 | 0.30 |
| Games performed: Hollywood Director, Scenes from a Hat, Sound Effects (w/audience members), Doo-Wop, Living Scenery |||||||
| 409 | 16 | Wayne Brady, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | Alyson Hannigan | December 12, 2023 (2023-12-12) | 1217 | 0.42 |
| Games performed: Questions, Doo-Wop, Dubbing (w/Alyson Hannigan), Scenes from a Hat, Helping Hands (w/Alyson Hannigan) |||||||
| 410 | 17 | Wayne Brady, Greg Proops, Colin Mochrie, Ryan Stiles | none | December 19, 2023 (2023-12-19) | 1216 | 0.32 |
| Games performed: Questions, Scenes from a Hat, Whose Line, Film Dub, Greatest Hits |||||||
| 411 | 18 | Wayne Brady, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | Mark Ballas | January 9, 2024 (2024-01-09) | 1218 | 0.40 |
| Games performed: Weird Newscasters, Deleted Scenes, Duet (w/Mark Ballas), Props, Living Scenery (w/Mark Ballas), Scenes from a Hat |||||||
| 412 | 19 | Wayne Brady, Gary Anthony Williams, Colin Mochrie, Ryan Stiles | none | January 16, 2024 (2024-01-16) | 1219 | 0.31 |
| Games performed: Hollywood Director, Sound Effects (w/audience members), Scenes from a Hat, Greatest Hits |||||||
| 413 | 20 | Wayne Brady, Greg Proops, Colin Mochrie, Ryan Stiles | Chris Lee | January 23, 2024 (2024-01-23) | 1215 | 0.42 |
| Games performed: Dating App (Let's Make A Date), Mixed Messages, Props (w/Chris Lee), Doo-Wop, Living Scenery (w/Chris Lee) |||||||
| 414 | 21 | Wayne Brady, Jonathan Mangum, Colin Mochrie, Ryan Stiles | Kaila Mullady | January 30, 2024 (2024-01-30) | 1222 | 0.52 |
| Games performed: Weird Newscasters, Duet (w/Kaila Mullady), Scenes from a Hat, Greatest Hits |||||||
| 415 | 22 | Wayne Brady, Jeff Davis, Colin Mochrie, Ryan Stiles | none | February 6, 2024 (2024-02-06) | 1211A | 0.47 |
| Games performed: Dating App (Let’s Make A Date), Superheroes, Newsflash, Scenes from a Hat, Greatest Hits |||||||