iO Theater

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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.