1 (46 oz.) can pineapple juice, chilled
1 (46 oz.) can orange grapefruit juice, chilled
2 qts. carbonated lemon lime beverage, chilled
1 pt. lemon or lime sherbet

In large punch bowl, stir together juice and carbonated beverage. Spoon sherbet into bowl. Serve immediately. Serve 38, about 1/2 cup each.