Improvapalooza features the region's best up-and-coming improvisers and improv groups together with Mopco for five evenings of rip-roaring improv creativity. This high-energy run brings new and tasty improv styles and formats to the Underground stage. Dates and guests for Improvapalooza: May 6: Mopco Lady All Stars May 13: Sheer Idiocy May 20: Sorry Not Sorry June 3: Controlled Chaos June 10: Dollars 2 Donuts.