Mike and Sulley are back at Monsters University for a fun-filled weekend with their Oozma Kappa fraternity brothers. The gang is throwing their first party, but no one’s showing up. Luckily for them, Mike and Sulley have come up with a plan to make sure “Party Central” is the most epic party the school has ever seen.

A look at the relationship between Mike and Sulley during their days at Monsters University — when they weren't necessarily the best of friends.