'' Lou '' is a 2017 American computer-animated short film written and directed by Dave Mullins and produced by Pixar . It was theatrically released alongside Pixar 's '' Cars 3 '' on July 23 , 2017 . The short is about a lost and found box and the unseen monster within . It was nominated for the Academy Award for Best Animated Short Film at the 90th Academy Awards
90th Academy Awards
90th Academy Awards
Lou (2017 film)