Monsters University is the prequel to the Disney Pixar hit Monsters Inc. This trailer is attached to Brave which opens up this weekend.

Mike Wazowski and James P. Sullivan are an inseparable pair, but that wasn’t always the case. From the moment these two mismatched monsters met they couldn’t stand each other. “Monsters University” unlocks the door to how Mike and Sulley overcame their differences and became the best of friends.

MONSTERS UNIVERSITY hits theatres Summer 2013.