Dream “The Impossible Dream” as Man of La Mancha makes a stand at Sooner Theatre, 101 E. Main in Norman, for a two-week run. The classic musical is based on a classic in its own right: Cervantes’ novel Don Quixote. Performances stage at 8 p.m. Friday and Saturday and 2 p.m. Sunday, through Oct. 7. Tickets are $15-$20. Call 321-9600 or visit soonertheatre.org.