One of the most shocking moments in the new Star Wars: The Rise of Skywalker trailer, apart from the whole evil Rey thing, was the shot of C-3PO — lovable, sweet, innocent C-3PO — with glowing red eyes. In the world of Star Wars, this is never a good sign. It’s not like C-3PO needs some Visine or something. He’s gone full Dark Side! But why?

The new video by ScreenCrush’s Ryan Arey puts forward a pretty interesting theory about this shot. A lot of people have speculated this is actually the evil robot Triple Zero, who has previously appear in Star Wars comics, in disguise. But Ryan thinks an overlooked moment in the original Star Wars films may give the explanation for Evil Threepio. Watch:

If you liked this video on our theory about why C-3PO has red eyes in the D23 footage of Star Wars: The Rise of Skywalker, check out some more of our videos below, including all the Easter eggs in the new Star Wars: The Rise of Skywalker footage, our The Mandalorian Easter eggs video, and our A.I. trying to break down the plot of the original Star Wars. Plus, there’s tons more over at ScreenCrush’s YouTube channel. Be sure to subscribe to catch all our future episodes. Star Wars: The Rise of Skywalker opens in theaters on December 20.

Gallery — Amazing Photos of Star Wars: Galaxy’s Edge:

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