After snagging four Helen Hayes Awards, including Outstanding Musical, Arena Stage revives the show that christened its new Mead Center complex last fall and now becomes its first summer production, lasting all the way into the start of fall. Oklahoma! became the best-selling show in Arena's 60-year history, serving as a fine launch to what turned out to be a fine season at the fine Southwest Waterfront complex. Now to Oct. 2. The Fichandler at Arena Stage, 1101 6th St. SW. Tickets are $76 to $106. Call 202-554-9066 or visit arenastage.org.