This week, we tie on our bibs and tuck in to a heaping coil of antimatter with “The Tsuranga Conundrum”, marking the midpoint in Series 11. We’re all in agreement that this is stock-in-trade, dare we say “classic” Doctor Who, involving a complex set of interwoven challenges, limited time, interesting but not distracting supporting characters, and a blend of scientific wonder and oddball humor from our Doctor.