Parker Lewis Can't Lose 1x26

Parker has many good days, some mediocre days, but only one worst day. Everything imaginable that can go wrong does. Even Shelly one-ups Parker when she plays an embarrassing video of Musso to the entire school instead of the video Parker really made for Musso, portraying her in a good light. In the end, Parker has had enough and ditches the rest of his day. Could this be the end?