The movie “Robot and Frank” sounds ridiculous, but I’ve been curious about it ever since it came out of Sundance with stellar buzz. It follows Frank (Frank Langella), a former jewel thief, and the relationship he develops with his robot assistant (voiced by Peter Saaaarsgaaaard). Langella’s Frank is initially unhappy about having a robot helper, at least until he begins using the robot to return to his life of crime. This looks bizarrely terrific: