FINELY crush 14 of the cookies; mix with butter. Press firmly onto bottom and up side of 9-inch pie plate. Place banana slices on bottom of crust. Chop remaining 2 cookies; set aside.
ADD milk to dry pudding mixes in medium bowl. Beat with wire whisk 2 min. Gently stir in 1 cup of the whipped topping; spread over banana slices. Top with remaining 1/2 cup whipped topping and the chopped cookies.
REFRIGERATE at least 4 hours before serving. Store leftover pie in refrigerator.