Overview:The Dino-Riders have two crises to contend with today. The first is a severely weakened Serena hovering near death after healing one too many dinosaurs. The second is the unstoppable army of brain boxed dinosaurs Krulos is building to stampede through the Dino-Rider camp. Questar's creative handling of the S.T.E.P. crystal holds the key to dealing with both situations.