Keep the extra punch nearby as you will have to refill the bowl. Be sure to add more ice cream and sherbet if you do refill the punch bowl. You don't have to freeze and add the green punch but it makes it so much nicer and when it thaws there is no watered down taste to it. It only takes minutes to put this together but everything should be chilled and frozen overnight.
Fill a metal bunt cake pan with the green Hawaiian Punch and freeze. You can also fill ice trays with punch and freeze for individual cups. Once bunt cake punch is frozen it will be floated in the punch bowl to keep punch cold
Mix red Hawaiian punch, pineapple juice and ginger ale in a 2 gallon container.
Pour mixture over frozen green punch in the punch bowl then top with the ice cream and sherbet