Flinn is hot on the trail of some stolen treasure and he knows who's to blame. With the help of his friends and Captain Gurgleguts, fearless Flinn tracks the rotten crew to the Lost Island. So far, so good, but Flinn and his pals hadn't reckoned on the dinosaur's secret weapon - the Giganotosaurus, ...

Flinn is hot on the trail of some stolen treasure and he knows who's to blame. With the help of his friends and Captain Gurgleguts, fearless Flinn tracks the rotten crew to the Lost Island. So far, so good, but Flinn and his pals hadn't reckoned on the dinosaur's secret weapon - the Giganotosaurus, the biggest dino the world has ever known.