Upcoming Events
The Improvised Shakespeare Company® proudly presents its critically-acclaimed, long-running hit show Improvised Shakespeare Chicago now in it’s 18th year!
Join us for an evening of off-the-ruff comedy featuring the language and …
Each week, the talented teams of iO come together to create characters, discover alternate realities, and play hilarious bits all inspired by one word from you, the audience! Using the …
What’s an Armando? It’s the best comedy show in the city. Created in 1995 by iO alum Armando Diaz (not the Italian general), the Armando is a historic improvisational form where actors improvise a …
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 …

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.