Avery important part of being a Doctor Who fan involves learning to accept change. The adventure in space and time would have ground to a halt in 1966 if its previously loyal viewers hadn’t forgiven William Hartnell for handing over to Patrick Troughton. Goodness knows there have been plenty of surprises since then, but even though the show keeps moving we should still allow ourselves a little sentimentality when something brilliant comes to an end.
