Heather and the boys take Denver to a mountain ski resort.

The secluded beach where Mario surfs and the kids play is taken over by Rad Tad and his group of Surf Dudes

Wally is in a predicament with Johnny Price, a boy who constantly plays practical jokes on him, Denver uses his magic eggshell to bring Wally back to a time where he was torment by the Pteranodon, causing Wally to find a solution to his predicament and befriending Johnny Price.