What is Mission: IMPROVable? Mission: IMPROVable is Westside Comedy Theaters flagship show. With high-energy, explosive short form improv and lots of audience interaction, Mission: IMPROVable delights and surprises audiences with a completely new show, inspired by their suggestions every Friday night. For 15 years a rotating cast of all-star improvisers have performed as secret agents of comedy and your mission starts in 5, 4, 3, 2, 1! THIS SHOW IS 21+. PLEASE BRING A VALID I.D. LINE-UP SUBJECT TO CHANGE. IF YOU ARE NOT PHYSICALLY HERE TO CLAIM YOUR TICKETS THEY WILL BECOME VOID 15 MINUTES AFTER SHOW START TIME. NO REFUNDS OR EXCHANGES – THERE ARE NO REFUNDS OR EXCHANGES FOR TICKETS, MERCHANDISE OR CLASSES PURCHASED. ALL SALES ARE FINAL.