For Doctor Who fans hoping that the three David Tennant and Catherine Tate 60th anniversary specials would recapture the Marvel-esque crossover feeling of 2013’s “The Day of the Doctor,” there is likely a tiny bit of a disappointment in the air. The hush-hush episode “Wild Blue Yonder” has aired, and despite fan predictions that it would be packed with cameos — including former Doctors — the reality is, that the episode was actually a small, compact episode of Doctor Who, with character-based stakes, and a uniquely creepy sci-fi concept.
