Which sentence is punctuated correctly?
If we go to the movies, which – I’d really like to do – may we get popcorn?
If we go to the movies – which I’d really like to do – may we get popcorn?
If we go (to the movies), which I’d really like to do, may we get popcorn?
If we go, to the movies which I’d really like, to do, may we get popcorn?