This is the 12th episode of the 2006 Dr Who season, the first part of the season finale.
After a couple of average episodes, Dr Who returns to form with a superb story to end the season.
This has been converted to NTSC full DVD resolution 720x480 at 29.97fps, and is an Mpeg-2 file which could be written easily to a DVD using any popular package such as Nero. It's a variable bitrate video which peaks at 4000kps. A frame from the video can be viewed here:-
Please note that the "next week" preview is after the credits.