SPREAD dessert topping onto bottom of pie crust; top with banana slices.
POUR milk into large bowl. Add dry pudding mix. Beat with wire whisk 2 min. or until well blended. Let stand 5 min. or until thickened. Gently stir in whipped topping. Spread over banana slices.
FREEZE 6 hours or overnight, covering with plastic wrap after 2 hours. Let stand at room temperature 15 min. or until pie can be cut easily before serving. Store leftover pie in freezer.