FAMILY FILM: Oz the Great and Powerful (2013-130 min.). A small-time magician (James Franco) is swept away to an enchanted land and is forced into a power struggle between witches Theodora (Mila Kunis), Evanora (Rachel Weisz) and Glinda (Michelle Williams). Mitchell Kapner and David Lindsay-Abaire scripted, from L. Frank Baum’s books, for director Sam Raimi. Note the early start time: 7 p.m.