Netflix Parental Control Settings. These allow you to restrict access to films and shows based on their maturity level. Of course dont share it with your kids or the limits you set will become useless.

If you dont see a link for Parental Controls you already have the latest and can apply controls to each profile. From the drop-down menu click on Account. Any change you make applies to every profile.
Go to Manage Profiles and click on your childs profile.
Click the profile icon you just created and scroll to Maturity Settings. How to set this up. Enter your Netflix account password on the screen. These controls will mean that a 4-digit PIN-code is needed to access any content over a set maturity level see maturity ratings below.