Here's everything going on in the new 'Harry Potter' spinoff trailer

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Comic-Con has gifted us with a new trailer for "Fantastic Beasts and Where to Find Them," the beginning of a Harry Potter spinoff movie trilogy written by J.K. Rowling herself.

The movie comes out on November 19. But in the meanwhile, there's a lot to unpack from this trailer. It's filled with areas and magical animals we've never seen before.

Rowling published a book with the same name in 2001, "written" by Newt Scamander, the main character in the movie. The book goes through all the magical beasts that Scamander encountered on his travels and catalogs them. I've consulted it to try to identify all the magical animals in the trailer, but there are still some mysteries.

Here's a complete breakdown of the trailer. Check it out:

Before the footage starts rolling, we get a black screen and some voiceover. It sounds like a witness's account of a supernatural event. "It was like, um, like a ghost!" The footage starts with Percival Graves, an American auror, entering a house. It looks like he's going in to inspect something.

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The camera pans out, and the building turns out to be in ruins. The voiceover continues, "I saw its eyes, shining white eyes! And it dove down underground." The description doesn't match anything in the book version of "Fantastic Beasts and Where to Find Them," which is Newt Scamander's catalogue of magical beasts he's aware of.

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We see the witness, dressed in a gray coat. Then there's a boom. He looks up and the walls are cracking. Already, it feels like we're dropped in the middle of a supernatural mystery.

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