"Just as far as anyone else here. Across universes does rather tend to take the cake, doesn't it? And all the rest of the desserts as well." Even Time Lords don't casually hop across realities; crossing back tends to be difficult, at best.

"Who said it's meant to be authentic?" Missy shrugs casually. "Inspired is the term I prefer. Take the fashion, leave the rest of the culture. Besides, behind the stuffy exterior, they were just as hypocritical as every other era."