1Combine crushed cookies,chocolate-covered-pretzel pieces and butter in small bowl.
Press onto bottom of 9-inch pie plate,freeze for 5 minutes.
2Combine ice cream,peanut butter,candy bars and marshmallows in large bowl,spoon into prepared crust.
Smooth the top of the filling and freeze for about 1 hour or until firm.
Drizzle with chocolate syrup or with a bit of whipped cream before serving.