When Xander and Oz go to check if the rope holding Buffy is tight enough (which it isn't) Buffy bangs their heads together and knocks them out. Oz is on the left, Xander is on the right
When the the camera cuts to see the boys out cold on the floor, they are on the opposite side to where they were before. Xander on the left & Oz on the right.
When Willow is backing away from Kathy, the dorm room door is ajar. When the shot goes to Kathy and back to Willow again, the door is completely closed.