Frank Capra's tale of Christmas redemption doesn't get any less resonant with age, and seeing it around the holidays is a generations-deep rite of the season. Watch Jimmy Stewart learn the reason for the season (spoiler — don't despair, because people love you!). Egyptian Theatre 6712 Hollywood Blvd., Hollywood. 7:30 p.m. Thu. http://www.americancinematheque.com.