Upcoming Events
iO Fest 2025
Comedy, Improv
Runs Jul 24 – Jul 27, 2025
This summer, iO is thrilled to announce our second annual iO Fest! Four days of improv, sketch, music, and more along with specialty workshops in celebration of Chicago’s vibrant comedy scene. Special guests from iO’s talented roster of alumni will take the stage alongside a diverse array of today’s top comedic talents from all over the country.
Improvised Jane Austen
Improv, Literary Adaptation
Runs May 10 – Sep 27, 2025
Come for the humor, stay for the heart!
Whirled News Tonight
Comedy, Improv, Open Run
Runs Jan 11 – Oct 25, 2025
Every Saturday at 7:30pm. Twenty years running! The audience provides inspiration by picking their top stories from the day’s news. From these journalistic suggestions, a team of experienced …
Phony Award Winning Musical
Comedy, Improv, Musical
Runs Jun 19 – Oct 02, 2025
Phony Award Winning features Chicago’s best musical improvisers.
1501 N Kingsbury St, Chicago, IL 60642
(312) 300-3350
The iO Theater is the birthplace of longform improv and is home to the best comedy shows in the country.
Considered to be the Mecca of improvisation, the iO Theater (formerly known as The ImprovOlympic) boasts a full training center based on the teachings of our co-founder and improv guru, Del Close, and his partner and iO owner, Charna Halpern, that has helped train and develop the talents of an entire generation of America’s best and brightest comedic entertainers for over 35 years.