Any blu-ray in this is region b.  The 4k disc is region free.

 

You’ll never look at warm apple pie the same way again after you’ve seen the unrated version of American Pie! Take a hysterical look at the goal of four “unlucky in love” high school friends who make the ultimate pact: lose their virginity by prom night. As they try to manipulate their way into the hearts of some of their classmates, their plans often backfire with hilarity. Follow the raging hormones of four teenage boys and their girls as they gear up for the most important night of their lives... the prom?