iO Theater Chicago’s home of long-form improv since 1981. Nightly comedy shows, world-class improv classes, and venue for private events

Nicknamed “The Armando,” Chicago’s longest-running improv show, created by iO alum Armando Diaz. Based on the true life stories told by a new guest monologist every week.

They believed that simple theater games could be elevated to a new expressive artform, and by codifying and teaching these concepts, a new avant-garde style of theater, and comedy, was …

Jun 12, 2016 · Unlike anything you’ll ever experience- spend 5 weeks at the historic iO Theater in Chicago, the birthplace of improvisation, learning long form in its greatest incubator from the …

We’re so happy that our second iO Fest was such a success! Four days of improv, sketch, music, and more along with specialty workshops in celebration of Chicago’s vibrant comedy scene. …

iO Theater is a full-service event venue in Chicago offering versatile spaces for any event or celebration. Housed in a historic building, iO is the ideal setting for corporate gatherings of all …

iO Theater is more than great improvised comedy! No ticket necessary to sit down at either of our two full bars and enjoy quality craft cocktails, local brews, & unique non-alcoholic options.

Yes, basically. iO is an all ages venue, but we usually advise that given the improvised nature of our content, our shows are typically rated PG-13 and up. Certain shows are more suitable for …

Apr 25, 2024 · Spend the summer in at the world famous iO Theater in Chicago, the birthplace of improvisation, learning long form in its greatest incubator. For the last 15 years, every …

Mar 25, 2025 · Yes, The iO Theater is a historic and legendary comedy theater and training center that has been in Chicago since 1981 and has trained and been home to a long list of notable …