When Ncuti Gatwa makes his first appearance as the 15th Doctor in the science-fiction series "Doctor Who," he isn't wearing any pants. In a 60th-anniversary special released in December, the previous Doctor - played by series icon David Tennant - subverts the show's long-standing practice of regeneration: Instead of simply transforming into the next Doctor,

Doctor Who made headlines casting Ncuti Gatwa as the latest Doctor, not only because he’s the first Black actor to play the role but because he would be, in the words of Neil Patrick Harris, “the first gay Doctor.

There is perhaps no funnier dichotomy in sci-fi fandom than Doctor Who—a show that has inherently been about the nature of change and the mutability of time for six decades—having a fandom that, by and large,