I know William Hartnell,Richard Hurdnall and Patrick Troughton are dead but I reckon the 50th anniversary should be "the eleven Doctors" featuring all 11 Doctors in some way. They could just get impressionists to play the Doctors who are dead. Also,it'd be great if it was a movie done in 3D,but not in a gimmicky way. Done in a way where the 3D benefits the movie.