Harry potter: Chamber of secrets Easter Egg - I'm Seeing Spots

Enter disc 2. Go to the Chamber Challenge (or somthing like that). When you finish going down the hallway(with the stone snakes on the side)go forward once. Push the arrow 'up' on your remote and there should be dots. highlight the dots and press 'enter' and watch. Note:It's kinda short.
In addition if you press the 'up' button again there are more dots. Highlight the dots, press enter and watch!