Founded in 1981, iO (Formerly ImprovOlympic) is the world famous flashpoint of comic creativity that spawned an entire generation of Americas best and brightest entertainers.

Over 5000 people have trained and performed at iOs Chicago and Los Angeles theaters, including some of the most recognizable names in show business; Mike Myers, Chris Farley, David Koechner, Adam McKay, Tina Fey and many, many more.

Check out the Cabaret Theater schedule here.