COMBINE graham crumbs and butter in 9-inch pie plate. Press firmly onto bottom and up side of pie plate. Place half of the banana slices in crust; set remaining banana slices aside.
POUR milk into large bowl. Add dry pudding mixes. Beat with wire whisk 2 min. or until well blended. Gently stir in 1 cup of the whipped topping. Spoon half of the pudding mixture into crust; top with remaining banana slices. Cover with remaining pudding mixture.
REFRIGERATE 3 hours or until set. Serve topped with the remaining 1/2 cup whipped topping. Store leftover pie in refrigerator.