Stunning photo-realistic computer-generated animation transports audiences back to the Late Cretaceous, when a great inland sea divided North America in two. The film follows a curious and adventurous dolichorhynchopsas she travels through the most dangerous oceans in history. Along the way, she encounters long-necked plesiosaurs, giant turtles, enormous fish, fierce sharks, and the most dangerous sea monsters of all, the mosasaur. SEA MONSTERSweaves together a series of paleontological digs from around the globe in a compelling story about scientists working as detectives to answer questions about this ancient and mysterious ocean world. Viewers accompany modern and historical fossil hunters to remote locations as they excavate the remains of some of the most awe-inspiring creatures of all time, unearthing discoveries which shed light on exactly what happened to the film's incredible cast of characters. Merging ultra-high-resolution 3D graphics with National Geographic's trademark authenticity, compelling imagery and powerful storytelling, SEA MONSTERS is an unforgettable prehistoric adventure.