It's going to be in cinemas from Friday, but if you can't wait to see it on the big screen, click on the link on the right hand side.
Inside the Chamber of Secrets
Lucky fans in the US have been enjoying the trailer already in cinemas, but now UK fans can finally see how Harry has changed.
As well as the flying Ford Anglia that was in the teaser, the trailer shows loads of cool stuff from inside the Chamber of Secrets itself, and Harry flying through the air during his duel with Malfoy.
The Chamber of Secrets follows the adventures of Harry Potter as he continues in his second year at Hogwarts.
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