Other mistake: When Chris and Jamie are sitting on Jamie's bed, Tim comes in and shoves Chris onto the floor. This is supposed to be when the yearbooks are switched, but if you watch closely you will notice that Tim leaves with the same yearbook he brought in. (00:03:50)
Other mistake: When Ponies are flying back home from North Pole, you can see Cotton Candy among them. as a pegasus.
Other mistake: Right before 'La Vie Boheme' in the Life Cafe, just after the host requests that the tables not be moved, Angel says 'Hey ROSIE, let's push these tables together.' Rosie is the name of the actress (Rosario Dawson,) the character's name is Mimi.