You lot have had since Friday to go and see it, and loads of you have already told us what you think.
It's not a great surprise that most of you think it's great, but those who don't like it REALLY don't like it.
But those sorts of views weren't what most people thought.
Sean, 13, from Birmingham has already been to see it four times and 14-year-old Laura from Canada said it was "awesome!"
In fact the Chamber of Secrets was massively popular across the Atlantic, where it's reckoned to have sold a mega $87.7m worth of tickets.
That's the third best opening weekend in US movie history, behind Spider-Man and the first Potter film.