I hereby offer the sacrilegious proposition that it's time to let Doctor Who die.
Fictional characters, just like living people, have a lifespan. They live, and they die. We have reached a time in the death cycle of Popular Culture when people like Batman, Spider-Man, Doctor Who and Superman have long outlived their natural lifespan.
Perhaps their ethics and character become incompatible with a new generation; perhaps they exhaust the potential of their notions. The time comes for them to pass on, and join the Immortals in another realm. Those of us who love them can still hold them in our memories, and continue to enjoy their adventures in the same way that we watch old serials and read old comic books, but the window for new adventures has long been closed, though we hate to admit it.
The world of the present seems inhospitable for my dusty old heroes. Time for new adventures from a new generation of heroes — if a new generation of creators can step up to the plate and deliver heroes worthy of our support. The failing here is that nothing worthy has come down the pike. The huge corporations that control the destiny of these characters have no interest in creating anything new.
And so rather than give the heroes of a more civilized world a decent burial, we are forced forever to watch their crumbling, reanimated corpses lumber across our screens in an ever more tragic state of decomposition and decay. I for one am tired of it. Let our heroes rest in peace. They have earned it.