We’re officially halfway through the first season of Westworld, and the show that some critics hoped would prompt water-cooler conversation about artificial intelligence and its existential ramifications on our own future has become, instead, a wildly popular new guessing game for fans of TV mysteries. What else did we expect from J.J. “Mystery Box” Abrams and Jonathan “The Prestige” Nolan? Of course there’s room for Westworld to be both philosophical exercise (with, oh yeah, incredible performance and amazing visuals) and fan-theory fodder. But the twists of this show are inextricably linked to understanding the more nuanced intellectual aspect of Westworld, so perhaps, halfway through the season, it’s time we take a closer, spoiler-free look at some of the most puzzling mysteries.

I say the two are linked because—unlike, say, the True Detective Season 1 mystery of “Who is the Yellow King?”—the answers to the twists of Westworld will likely fundamentally change our understanding of what story we’re watching. With True Detective you were watching two characters compellingly grapple with their inner demons no matter which monster they were chasing. With Westworld (as we’ll explore), you may not know what you’re watching at all. The closest comparison I can make is to Nolan’s 2006 film The Prestige, where one actor is playing multiple characters and you don’t know it until the very end. That both changes your entire understanding of what you just watched and invites an immediate re-watch to puzzle over the timeline. I argue we’re seeing something very similar here.

And the HBO series, like its comely robot stars, seems somewhat self-aware about all of this. Before the series premiere, the official account tweeted out the following as discovered by Redditor LunaNic:

The logo did end up being a vital clue (we’ll touch on that in a second) but, more importantly, the show is encouraging its audience to dig deep into the mysteries it’s laying out. And, in fact, the show-runners, incredibly, kept their own cast and crew in the dark. Star Evan Rachel Wood (Dolores) recently told The Hollywood Reporter that she was scrutinizing Anthony Hopkins’s performance (just like the rest of us) in Episode 5 in order to get a few hints: