NY-based improv troupe Chicago City Limits brings its show to Tarpon Springs Performing Arts Center tonight. Founded in Chi-town by George Todisco and his Second City workshop actors, CCL moved to the Big Apple in 1979 and tackled the club circuit. The group, which has featured such renowned talents as Robin Williams and Paul Reiser, creates and performs skits based on suggestions taken from the audience. Director Paul Zuckerman calls it "comedy without a net." 8 p.m., 324 Pine St., Tarpon Springs, $25 general/$23 members, 727-942-5605.