To tell you the truth, I will email the producer tomorrow and demand a new copy. Neither does it have chapter stops, nor a menu, nor does it run smoothly. I have several glitches which are clearly a problem with the production not my DVD player. It looks a bit like the DVD has been clobbed together in a hurry...
I will now try to look if the last ten to fifteen minutes and see if Andy and Paul really have turned into Martians - because that's what the DVD makes them look like - pixels everywhere, green and pink[xx(].