home
Created by Cleveland show-runners & improvisers, Deena Nyer Mendlowitz & Sam Dee, who got excited about a weekend highlighting female run shows & improv troupes! Their first fest debuted at Forest City Brewery Oct. 4th, 5th & 6th of 2018 with loads of workshops, improv & local performances to packed crowds. Mass Hysteria is Created by women, for everyone! Our second coming will be at Mahall’s the 19th - 21st of September 2019!