Whose Line Is It Anyway?

The cast tackles a series of improv games; guests include comic Gary Anthony Williams and actress Lauren Cohan.

The cast tackles a series of improv games; guests include comic Heather Anne Campbell and actor Kevin McHale.

The cast tackles a series of improv games; guests include Keegan-Michael Key and Candice Accola.

TV personality Kyle Richards and comic Jonathan Mangum.

Comic Jeff Davis helps the cast with improv games.

Comic Gary Anthony Williams; actor Wilson Bethel.

Actress Kat Graham; comic Greg Proops.

Olympic figure skater Tara Lipinski; comic Keegan-Michael Key.

Actor Verne Troyer; guest comic Nyima Funk.

Actor Darren Criss; guest comics Jeff Davis and Greg Proops.

Actor Michael Weatherly; guest comic Greg Proops.

Sumo wrestler Byambajav Ulambayar; guest comic Gary Anthony Williams.

Cedric the Entertainer; guest comic Gary Anthony Williams.

Actress Adelaide Kane; guest comic Jeff Davis.

Guest comic Keegan-Michael Key.

Actor Jaime Camil; guest comic Jeff Davis.

Actor Scott Porter; guest comic Greg Proops.

Reality-TV star Willie Robertson ("Duck Dynasty"); guest comic Jeff Davis.

Guests: comedian Gary Anthony Williams; actor Alfonso Ribeiro.

Guest: comedian Keegan-Michael Key.

Guests: comedian Jeff Davis; actor Karla Souza.

Guests: comedian Gary Anthony Williams; actress Yvette Nicole Brown. Games Performed: Hollywood director, duet, scenes from a hat and helping hands

Guests: comedian Jonathan Mangum; actress Kaitlin Doubleday Games Performed: Let's make a date, duet, dubbing, scenes from a hat and helping hands

Guest: comedian Jeff Davis.

Guest comics Tony Hawk and Heather Anne Campbell.

Guests: comedian Jeff Davis, plus actress Candice Patton. Games performed: Let's make a Date, World's Worst, Living Scenery, Props, Scenes from a Hat, Hoedown

Guests: comedian Gary Anthony Williams, plus actor Malcolm Goodwin.

Guests: guest comic Gary Anthony Williams, plus actor Wil Wheaton.

Guests: comic Jonathan Mangum, plus actor Kearran Giovanni.

Guests: comedian Greg Proops, plus TV personality Ross Matthews. Games played: Weird Newscasters, Song Styles, Themed Restaurant, Scenes from a Hat, Living Scenery.

Jeff Davis guests on the improvisational-comedy showcase in which the performers wing it unscripted and unrehearsed.

Guests: comedian Gary Anthony Williams, plus actress Andrea Navedo.

Jonathan Mangum guests on the improvisational-comedy showcase in which the performers wing it unscripted and unrehearsed.

Charles Esten and Jeff Davis guest on the improvisational-comedy showcase in which the performers wing it unscripted and unrehearsed.

Greg Proops guests on the improvisational-comedy showcase in which the performers wing it unscripted and unrehearsed.

Guests: comic Charles Esten and TV host Chris Hardwick. Games performed: Questions (with Hats), Moving People, Song Styles, Scenes from a Hat, Helping Hands.

Guests: comedian Jeff Davis and singer-songwriter Tinashe.

Guest: comedian Jonathan Mangum

Guests: comedian Charles Esten and actress Elizabeth Gillies.

Guest comic Brad Sherwood.

Guests: comedian Gary Anthony Williams and Olympian Adam Rippon. Games performed: Dating App, Mixed Messages, Song Styles, World’s Worst, Living Scenery, Scenes from a Hat.

Guest star appearance by Amber Riley.

Guest: comedian Jeff Davis. Games played: Weird Newscasters, Hoedown, Infomercial, Scenes from a Hat, Greatest Hits.

Guest: comedian Gary Anthony Williams.

Guest: comedian Jonathan Mangum.

Guest: comedian Greg Proops.

Guest: comedian Nyima Funk.

Guest: comedian Greg Proops.

Actor Kevin McHale; guest comic Heather Anne Campbell.

Boxing champion Laila Ali; guest comic Jeff Davis.

Guest comic Keegan-Michael Key.

Guest comic Heather Anne Campbell.

Guest comic Nyima Funk; Olympian Shawn Johnson.

Guest comic Greg Proops.

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Jonathan Mangum, put their comedic skills to the test.

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Heather Ann Campbell, put their comedic skills to the test. Guest star, Padma Lakshmi

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Darren Criss, put their comedic skills to the test.

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Gary Anthony Williams, put their comedic skills to the test.

Hosted by comedian Aisha Tyler, cast members Ryan Stiles, Wayne Brady and Colin Mochrie, along with guest comedian Jeff Davis, put their comedic skills to the test.

Guest comic Gary Anthony Williams.

Special episode featuring a compilation of games, moments, and outtakes of never-before-seen footage.

A special episode featuring a compilation of games, moments, and outtakes of never-before-seen footage.

Guest comedian Rachel Bloom.