'haven't' or 'didn't' ?

[wotcha]

1) I saw many movies last year, but I don't go to the cinemas this year.

2) I saw many movies last year, but I didn't go to the cinemas this year.

3) I saw many movies last year, but I haven't go to the cinemas this year.

Which is grammatically correct and sounds natural?

[bhaisahab]

1) I saw many movies last year, but I don't go to the cinemas this year.

2) I saw many movies last year, but I didn't go to the cinemas this year.

3) I saw many movies last year, but I haven't go to the cinemas this year.

Which is grammatically correct and sounds natural?

I would use this:
"I saw a lot of films last year, but I haven't been to the cinema this year."