 The first teaser trailer for Monsters University was released on June 20, 2012. Four versions of the trailer exist; in his sleep, Mike mutters excuses to avoid attending class in each one, such as "I 'm not wearing any clothes," "My homework ate my dog," "Class President?", and "My pony made the Dean's List." A second trailer was released on February 11, 2013, a third on April 26, 2013, and a fourth and final trailer, which included scenes from the film, was released on May 30, 2013.
