In a large mixing bowl add the ground biscuits, melted butter, sugar and vanilla extract.
Mix until combined and transfer the whole mixture into a 9-inch pie pan. Smooth the pie base evenly.
In another bowl mix the cream cheese with peanut butter, powdered sugar until creamy mixture, and stir in the whipped cream and vanilla extract.
Mix until everything is combined and transfer the pie filling into a pie dish with the crust. Smooth it out and chill it in the refrigerator for a minimum of 4 hours.