The Curse of Fatal Death was one of the Comic Relief sketches that was done a few years back for Red Nose Day. It had Rowan Atkinson as the Doctor, along with Hugh Grant and a few other names I can't think of right now. You can check it out here...
part 1 http://www.veoh.com/videos/v606442CTZzRPHG
part 2 http://www.veoh.com/videos/v606548rgfqEDJe
As for getting a copy look here...
http://www.amazon.com/Doctor-Who-Curse-Fatal-Death/dp/B000050ZF6
or the Seventh Doctor's personal site...
http://www.sylvestermccoy.com/curse/
edited for working video links