Plot: “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.”
Yep, even Randall Boggs, one of the two main antagonists in Monsters, Inc., went to Monsters University!
And here’s the Japanese trailer of Monsters University, it gives away more or less the whole story:
Will you go see the film when it will open in theaters on June 21, 2013? :)