"Girls" star Allison Williams takes flight as the boy who wouldn't grow up in NBC's Dec. 4 live broadcast of the Broadway musical Peter Pan, which co-stars Academy Award winner Christopher Walken as Captain Hook. The one-night-only event, which boasts newly added songs to show's classic score, airs at 8 PM ET. In this special video presentation, preview the show via promo shots and rehearsal photos. Read the Playbill story.