*SPOILERS* It’s hard to say where expectations are for THE HALLOWEEN APOCALYPSE, the first episode of Whittaker’s third and apparently final, season of DOCTOR WHO. With the announcement of her, and indeed showrunner Chris Chibnall’s departure, the scene should be set for a celebratory romp to the finish line, as is par for the course during the lame-duck period of a showrunner’s tenure. Of…