Oxfordshire, U.K.- 149 million years B.C. This episode follows a shoal of young fish-like Ophthalmosaurus as they struggle to survive the Late Jurassic seas, evading predators like the gigantic Liopleurodon. On land, the dinosaur Eustreptospondylus scrapes out a living as a scavenger, occasionally preying on pterosaurs like Rhamphorhynchus. Written by
Did You Know?
Many people would argue that the rise in Liopleurodon's popularity can be attributed to this episode's portrayal of the animal. For example, nearly all of the toys that came out after it had aired carried the same color scheme it had in the show. See more
The narrator claims that the Ophthalmosaurus' jaws are toothless, but we see they have many, many teeth. The visuals are in this case correct: these animals really did have lots of pointy teeth. See more
The most fearsome predator of the Jurassic is watching his prey. Peering through the water, the carnivore fixes on his unwary victim, waiting for the perfect moment to strike.