The Doctor (Doctor Who)
The Doctor is the title character in the long-running BBC science fiction television programme "Doctor Who". Since the show's inception in 1963, the character has been portrayed by thirteen lead actors. In the programme, "the Doctor" is the alias assumed by a centuries-old alien—a Time Lord from the planet Gallifrey—who travels through space and time in the TARDIS, frequently with companions. The transition to each succeeding actor is explained within the show's narrative through the plot device of "regeneration", a biological function of the Time Lord race that allows a change of cellular structure and appearance with recovery following a potentially fatal injury.
Doctor Who (pinball)
The basic gameplay is all about the various incarnations of the Doctor (at the time, these were seven) and each Doctor affects the rules of the playfield differently (each for a different section of the playfield). The player must "collect" all Doctors throughout the game. After collecting a Doctor, the following rule changes are applied: