Language evolves. I get that. But it was jarring to arrive in London from New York and hear the degree to which so many American expatriates allow the slang of our host country to colonize their speech.
Great writing, cast and production and, occasionally, naked breasts (looking at you, Game of Thrones) are all very well and good, but there are other less tangible common factors at play that end up being hallmarks of a quality show.