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Warning: This post contains spoilers for the first four episodes of Westworld.

Technically, when you’re watching HBO’s Westworld, the Western sci-fi series about a futuristic theme park where the artificially intelligent androids make the tourists’ dreams come true, you’re watching a show within a show. Everything the robotic hosts say and do is totally scripted, so it’s fitting that the story is full of prominent cultural references. The show seems to be setting up a robot uprising, which is perhaps why so many of the references are ominous.

To make sense of all the quotes, symbols and imagery here’s everything Westworld has referenced so far.

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