During Mistletoe's three-legged Wreath Race, the two fall into the snow and Melissa lands on top of Brian with her back to the camera. But in the next shot, Melissa is facing the camera.
Jennifer is called the show's producer, but she carries on as a director.
Melissa was in Room #7 all through the movie. Brian was in Room #6. The last time Melissa goes to Brian's room #7 had his name on the door.
Although done deliberately, Jennifer mistakenly calls Tyler "Taylor" when the two of them overhear Mel and Brian's private conversation over the show's sound system.