Unless otherwise noted, performances take place at the Red Barn Theater, 948 N. Main Ave; $5 or $3 with a student or military ID. A throwdown between two teams of improvisers takes place at 5 p.m., Saturday, Sept. 7 and 14. Tucson Weekly editor Dan Gibson is the featured guest monologuist in a sketch-comedy set at 7:30 p.m., Thursday, Sept. 12, at Beowulf Alley Theater, 11 S. Sixth Ave. Email justin.tucsonimprovmovement@gmail.com for more information.