Combine Eagle Brand and water. Add pudding mix; beat about 2 minutes. Chill until just thickened, about 15 minutes. Fold in whipped topping.
Spoon 1/3 of the pudding mixture into 3L: serving bowl; top with half of the cake cubes. Top with half of the pie filling and 1/3 of the pudding mixture. Repeat with remaining cake cubes, pie filling and pudding mixture.