(Acts/ensembles are listed alphabetically.)


98.6% human. "...well-executed bits about Russian scientists." -The Reader


All Star BAT with Joe Bill

Improv comedy in the dark with some of Chicago's finest and funniest improvisers as put together by... 


Bastards of the Underground featuring Jamprov

Bastards Of The Underground is an improv crew made up of Chicago...

Ben Jones

Friday, 11pm @ Stage 773's Box.

Cat Booty, North Super Regional at CIT Nationals, 2.25.17, Photo by John Abbott.jpg

Cat Booty

Cat Booty began as a Columbia Titanic Players team, but we now perform independently...


Feline Fighter Pilot

Feline Fighter Pilot is a Chicago Improv Den Ensemble established in 2015.


Grim Diesel

Grim Diesel is a collection of Second City Longform Conservatory graduates. Before becoming a troupe, the members of Grim Diesel...



ImprovBoston is a nonprofit improvisational theater, based in Cambridge, Massachusetts. It offers shows five nights per week at its theater in Central Square and training programs in improvisation, stand-up comedy and sketchwriting.


Justin Trudeau Will Save Us All

Wednesday, 8pm @ Stage 773's Pro Stage.


Love Onion

From afar, Love Onion looks like just another dirty root vegetable. But slice that baby open and you’ll find a loving heart surrounded by an emotional support system of
vitamin C, calcium and iron. And that's a fact...

Matt Damon Improv

The cast of Matt Damon Improv is comprised of all women of color “slaying improv comedy,” sometimes featuring a special guest...


Mullaney Chain

Mullaney Chain is a chain of improv goodness. Kevin Mullaney invites one of his favorite improvisors to join him for a show. They ask one of their favorites, who asks a fourth and then a fifth...



We are the longest running, all-female improv group in the U.S. with over 16 years of experience.




Stacks of fun. Stacks of joy. Stacks of Stacks.


Virgin Daquiri

Virgin Daiquiri celebrates it's 10-year anniversary at iO Chicago this year. We have enjoyed many honors and has been showcased in the gracious places that are the The Traverse City , The Del Close Marathon...

2H Club

2H Club formed in March of 2015 at Station Theater in Houston, Texas. The group performs the traditional Harold, but adds their own character-based opening that amplifies the strength of their classic improv format...


Alpha Bits

The Alphabits: Making Improv #Unreal again.


Bob Fisher's Imporv Show

Bob Fisher's Imporv Show: Bob Fisher has an Improv Show! He’s good. His friends are good. You’re good. Come see it!


Burnside is a Harold Improv team performing at The Improv Shop in St. Louis, MO.  Burnside was founded in January of 2015 after an audition process brought this group of...


Early Bird Special

Join this group of Chicago veteran improvisers for the best deal in comedy.   Each week your hosts...



In the red corner, weighing a combined weight of 700 pounds… this bare-knuckle bruiser hails from Washington, DC! He’s hooked...


I'm a Turtle

I'm A Turtle performs improv comedy. We're just 12 people out here in Chicago trying to make it, up...

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Jill Bernard's Drum Machine

Jill Bernard is a Minneapolis improvisor. A member of ComedySportz-Twin Cities since 1993, she is a founder of HUGE Theater and the director of education for...


The League of Improv Heroes

Some of the best and funniest improv talent in Chicago! Over 200+ years of combined veteran stage talent perform short and long form improv comedy. Featuring:...


Madeline is a Washington Improv Theater house ensemble that explores the people...

Minority Re'Port

Fresh from the city that gave you charm and crabs, Minority Re'port is the Baltimore Improv Group’s newest special project. With our mix...


Part Dog

Formed after doing a children's Halloween show in a planetarium, Part Dog is on the look out for stories to tell and new ways to tell them. They're improv is always evolving, looking for a new way to tell a tale or express themselves...



The ladies of SKORT met during their training at iO and have been performing together since late 2014. Their collaboration grew out of a shared appreciation for smart...


Stir Friday Night

We are based in Chicago, and we are one of the nation's premier Asian-American sketch comedy troupes. Having worked with such renowned companies such as The Second City and iO...


The Windbreakers

The Windbreakers are an improv troupe made up of Columbia College Chicago students practicing long...

All Girl Revue

Featuring Jane Morris, Ruth Rudnick, Mary Wachtel, Edie McClurg, Maureen
Kelly, Dee Ryan, and Kathleen Campbell, an all women
improvisational comedy troupe based in Los Angeles that is composed of...


Andy Eninger

Sybil is a completely improvised solo performance piece developed by Andy Eninger in 1999...


The Boys

Susan and Rachael are The Boys.

They have toured the globe with their unforgettable, unabashed, and...


Buzz's Girlfriend

Buzz's Girlfriend started at Westside Improv in Wheaton when us ladies decided we needed no scrubs to get our improv on. Relying on weird and wacky characters and unique relationships, we take our audience...



Eaves is the triumvirate of Molly Kiernan, Michael Stevens, and Sam Johnson. Molly and Michael met while performing in a Louis Kornfeld directed show at the...


Graffiti on the 4th Wall

Graffiti On The Fourth Wall, in their 22nd year with over 500 performances behind them, another 1000 in front of them and 11 more off to the side. This troupe prides...


Improv Comedy Bangalore

Since 2009, having spread laughter across India with the purest fashion of Improvisational theater...


Jimmy & Johnnie & Dee

Jimmy Carrane and John Hildreth improvise with special guest Dee Ryan.


LL Cool Beans

Born in a sweltering hot living room, and often found playing amongst the trees- LL Cool Beans is a Chicago based long form improv team.



Mascot is an ensemble at The Chicago Improv Den.

Cast: Thomas Bukovac, Nadia Alexandra, Danny Houk, George Kouros, Casey Searles, Celsie Sneden, Patrick Zuchnik.


The MoonSharks have performed at Comedysportz Chicago, Laugh Out Loud theater, Chemically Imbalanced Comedy, The Cornservatory, and Stage 773.  After only 1 year The MoonSharks have become a staple...


Prettier Than You

Relationships are hard work. Washington, DC's Prettier Than You takes the awkward and frustrating parts of love, family, and work relationships and turns them into...


Spontaneous Combustion

The Guild of Wizard Gynecologists asks...how bagel are you? If you enjoy talking walruses, ice-fishing Canadians, a Pope who alphabetizes  M&Ms, and Banana-based cartels, then come see Spontaneous Combustion; you shout it, we prof' it!  


Valid Hysteria

Valid Hysteria  /ˈvælɪd/ /hɪˈstɪr.i.ə/ n.  Always contagious, rarely fatal. Usually occurs as a result of improvising while female.


Wunder Kidz

The Wünder Kidz are an experienced long-form improv group who hail all the way from Minneapolis, Minnesota. Their show...