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Ever since Netflix premiered the sci-fi mystery series Stranger Things in July, people couldn’t stop binging on the addictive show. The eight-hour nostalgia-thon was blessedly easy to follow for a series about another dimension, and by the end of it, the tension had certainly lessened. But the finale does purposely leave viewers with a lot of questions. In fact, the show even makes fun of itself when the A-team demands explanations for the plot holes in their own Dungeons and Dragons game.

There’s no firm word on whether or not a second season will happen—though series creators the Duffer Brothers say they have some ideas if it’s granted—but Netflix usually serves up a round two. And if they do, the show will have some ‘splaining to do. Here are our top ten questions (spoilers ahead).

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