An imaginative story from a day in the life of a Brontosaurus. While about his daily activities Brontosaurus finds himself in trouble! An allosaurus has its eye on him and it is hungry! After a daring fight Brontosaurus manages to beat the Allosaurus with a crashing blow from his tale only to find himself in deeper trouble; a Gorgosaurus is waiting in the bushes and now emerges to claim Brontosaurus as his own lunch. Brontosaurus has to defeat yet another fearsome predator or he will literally end up as lunch meat.