In Sam Raimi's upcoming movie Oz the Great and Powerful, James Franco stars as Oscar Diggs, a Kansas magician/hustler, who gets whisked away to a strange land familiar to most movie watchers: Oz. In this new trailer for the Wizard of Oz prequel, you can get a fresh look at the flying monkeys, magic and, of course, munchkins that await Diggs on his journey to becoming the Wonderful Wizard himself. The film also stars Mila Kunis, Rachel Weisz and Michelle Williams as the three witches who send Diggs on his quest to defeat the Wicked Witch and become the great man he was destined to be.