Most of the films in Visions of Change: Volume 1 - BBC 1951-1967 consists of writerly texts that challenge viewers to conceive of their meaning in new and unexpected ways.
Doctor Who's surprising jaunty Christmas special scores points merely by dint of being watchable without resort to the saccharine or the mawkish, and whets the appetite for series 10.
Trap streets and teleport bracelets abound in this week's stand-out installment, with writer Sarah Dollard delivering the first masterpiece of the Capaldi era.