May 23, 2016 · 22m
Guests: comedian Gary Anthony Williams; actor Alfonso Ribeiro.


Comedian Aisha Tyler hosts this improv comedy show where the actors on the show - Wayne Brady, Colin Mochrie, Ryan Stiles along with a special guest each episode -must put their comedic skills to the test through a series of spontaneous improv games, prompted only by random ideas supplied by the studio audience.
Browse every episode and jump into details.
May 23, 2016 · 22m
Guests: comedian Gary Anthony Williams; actor Alfonso Ribeiro.
May 23, 2016 · 22m
Guest: comedian Keegan-Michael Key.
Jun 6, 2016 · 22m
Guests: comedian Jeff Davis; actor Karla Souza.
Jun 13, 2016 · 22m
Guests: comedian Gary Anthony Williams; actress Yvette Nicole Brown. Games Performed: Hollywood director, duet, scenes from a hat and helping hands
Jun 20, 2016 · 22m
Guests: comedian Jonathan Mangum; actress Kaitlin Doubleday Games Performed: Let's make a date, duet, dubbing, scenes from a hat and helping hands
Jul 13, 2016 · 22m
Guest: comedian Jeff Davis.
Jul 20, 2016 · 22m
Guest: comedian Jonathan Mangum.
Jul 26, 2016 · 22m
Joey Fatone; comedian Jeff Davis.
Jul 26, 2016 · 22m
Tamera Mowry-Housley; comedian Greg Proops
Jul 27, 2016 · 22m
With guest star appearance by comedian Jeff Davis.
Aug 2, 2016 · 22m
With guest star appearance by May-Treanor.
Aug 2, 2016 · 22m
With guest star appearance by Lyndie Greenwood.
Aug 3, 2016 · 22m
With guest star appearance by Chris Jericho.
Aug 10, 2016 · 22m
With guest star appearance by Rachel Bloom.
Aug 24, 2016 · 22m
Actress Lea Thompson; comedian Jonathan Mangum.
Aug 31, 2016 · 22m
Actress Katie Cassidy; comedian Brad Sherwood.
Sep 7, 2016 · 22m
Guests: comedian Jeff Davis and actor Brett Dier.
Sep 14, 2016 · 22m
Guests: comedian Gary Anthony Williams and actress Emily Bett Rickards.
Sep 21, 2016 · 22m
Guests: comedian Jonathan Mangum.
Sep 25, 2016 · 22m
Guests: comedians Brad Sherwood and Jeff Davis, plus actress Cheryl Hines. Games played: Let's Make a Date, Doo Wop, Duet, Scenes from a Hat, and Helping Hands.
Quick answers about this season's release timeline and episode lineup.
Whose Line Is It Anyway? Season 4 premiered on May 23, 2016.
Whose Line Is It Anyway? Season 4 has 20 episodes.
The season opens with Season 4 Episode 1, "Alfonso Ribeiro". It aired on May 23, 2016.
Go to Season 4 Episode 1