What to get an event that’s turning 5? Your butt in a seat, for starters. Improv Festival Oklahoma celebrates its first half-decade in the biz of make-it-up comedy with several shows at Sooner Theatre, 101 E. Main in Norman. From 7 p.m. to midnight Friday and from 6 p.m. to midnight Saturday, shows run every 90 minutes. Passes are $30. Call 701-8938 or visit festival.reddirtimprov.com.