Even great directors can produce the odd turkey. @RollingStone has created a list of 50 truly terrible movies by otherwise excellent filmmakers. But which do you think topped the list? Once you've cast your vote, take a peek at the story and let us know your thoughts. Apologies for shortening the name of Steven Spielberg's 2008 masterpiece — Mastodon wouldn't allow us to give it its full title, which is, of course, "Indiana Jones and the Kingdom of the Crystal Skull."
