Warning: Spoilers ahead for "The OA" season one.
Netflix's polarizing sci-fi drama "The OA" is one of the most ambitious and divisive projects released by the streaming service. From the complicated season finale shooting scene to the mystical "movements" (choreographed by Sia's music video magician Ryan Heffington), there is plenty to be unpacked after experiencing the journey of OA.
Keep reading for a look at the 13 most important details you probably missed.
OA did a movement in episode three — before the audience knew what the movements looked like.

While at the dinner table with her parents and the journalist who wants to write a book about her, OA gets flustered and puts her hands up to her forehead. Upon a first viewing, it simply looked like OA was distressed about the idea of reliving her experience, because at that point in the show the audience had no idea what the movements were.
Here's OA doing that same movement in her cell:

Redditor Treyokay pointed out that OA was performing this movement at the dinner table in episode three. Since the movements are so intimately linked to her relationship with Homer, it makes sense for OA to reflexively do them during times of distress.
In that same episode, OA bought a purple wolf sweatshirt.

Though it seemed just like a quirky wardrobe choice, the sweatshirt likely had a much more personal meaning to OA. Some fans believe it was a direct callback to her time with Homer.
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