On Sooner, you can set a parental pin so that you have to enter a pin every time you want to watch a movie on Sooner. Go to your account and click on Parental & Adult pin. There, click on "reset my pin." Then you will have to log out and log back in.
Go back to Parental & Adult pin. Now you can click on "reset my pin code" and enter a 4-digit code. After you have chosen your PIN, you can click on "Change Youth Protection Setting" and there you can choose the age range that you want to be asked for a PIN. After you confirm this, the PIN is active.