2 (3 oz.) pkgs. lemon Jello
1 c. Mountain Dew
1 can lemon pie filling
1 (20 oz.) can crushed pineapple
1 c. Cool Whip

Drain pineapple. Add water to juice to make 2 cups. Add Jello and Mountain Dew to juice and water. Let set until syrupy. Add pie filling, pineapple, and Cool Whip.