Here's everything we know about 'Westworld' -- HBO's mysterious new sci-fi series

What if you could step into a fantasy world and do anything you desire with no repercussions? That’s the basic premise of HBO’s new sci-fi series, “Westworld,” which centres around a futuristic theme park filled with humanoid robots that interact with guests to play out any sort of storyline you wish. There are plenty of mysteries in the plot to keep you entertained and guessing until the next season of “Game of Thrones.” Here are some of the basics we know so far. WARNING: MINOR SPOILERS AHEAD

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