Allison Williams as Peter Pan, and Christopher Walken as Captain Hook, are shown going through their rehearsal paces in this follow-up to last year’s The Sound of Music Live! NBC blockbuster. Maybe, though, you’ll want to keep the little ones away from this behind-the-scenes special. If they explain the kids’ flying as being attributable to wires, and not pixie dust, then I don’t want to know. And neither will they.