Christopher Durang's controversial and satirical 1979 comedy, Sister Mary Ignatius Explains It All For You skewers religion, dogma and the Catholic Church in a way that is still timely today. The American Century Theater offers a production directed by Joe Banno and starring Cam Magee in the title role. A post-show discussion planned after every performance. To July 7. Gunston Theater II, 2700 South Lang St. Arlington. Tickets are $30 to $35. Call 703-998-4555 or visit americancentury.org.