April 6-27. Teams of improvisers compete and the audience chooses their champion. Saturday nights, 9 p.m., Blue Door Theatre, 815 W. Garland Ave. $7/all seats. Some material may not be suitable for all ages. For more information or reservations, please call (509) 747-7045 or visit www.bluedoortheatre.com. Tickets can also be purchased the night of the show.