Born out of the experimental genius of JTS Brown in 2002, 4 Square revolutionized long-form improvisation by stripping away sweep edits in favor of fluid and surreal scene transitions.

Now, as part of iO Theater’s 45th Anniversary, comedy legends Peter Grosz (Veep), John Lutz (30 Rock), and Rob Janas (Writer: New Looney Toons) reunite on their home turf as 3 Square. Expect a lightning-fast kaleidoscope of worlds, characters, and callbacks that weave seamlessly into one another. Come see why their signature style helped define Chicago improv.

Follow iO on social media to stay up to date with all information related to the 45th Anniversary. Purchase the 3-Day pass here to save money on all shows!

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Additional option to include our featured monthly cocktail, ✨What She’s Having✨, with your ticket. It features a pour of Tito’s Vodka mixed with pomegranate juice, a squeeze of lime, and ginger beer. Served over ice and garnished with cranberries and a sprig of rosemary. Best part? Gratuity is included.

Got a Drink Add-on? Follow these steps:

Note: Valid ID is required for all alcohol service. No ID, no drink, no refunds.