I was watching the extended version last night after a long time and I seem to have a problem. During the scene where the chaps meet the elven domain in the forest the dvd just goes crazy - speech starts to break up, then blocks start to appear, it gets worse for the complete scene upto the point where Sauramen talks to the Urukai and then the dvd just freezes. I cant stop the film or ff or rw and have to turn the dvd player off and use scene select to go to the next bit. Any ideas? is it a duff disc (no scratches at the back) ? or something more sinister??