Black Mirror is about the twist. That’s not how the show started, but it’s now its hallmark. So anytime you watch an episode of the technology-obsessed anthology series, the anticipation that something will almost certainly go wrong at any minute is excruciating. And it’s even worse when the episode is “San Junipero,” and focused on a tender romance unfolding between Yorkie and Kelly.
Source: io9 – The Best Episode of Black Mirror Has Hope at Its Core