Pixar's latest film, Inside Out, dares to explore uncharted territory inside the human mind. The film, featuring five main emotions of a young girl in a new city, stars Amy Poehler as Joy, Bill Hader as Fear, Phyllis Smith as Sadness, Lewis Black as Anger and Mindy Kaling as Disgust. This is Pixar's return to box offices everywhere following the release of Monsters University.Director Pete Docter and producer Jonas Rivera discussed the challenges of bringing such an abstract concept to life on screen.