An exhibition of ancient Egyptian relics comes to the British Museum and an anomaly opens in a mysterious monument called the 'Sun Cage'. A Pristichampsus, believed in Ancient Egypt to be the demon Ammut, emerges and proceeds to wreak havoc in London.

Also the death of  Nick Cutter (Douglas Henshall) leads to both a dark post-apocalyptic future and a prehistoric past where the malevolent Helen (Juliette Aubrey) plots the end of mankind.

Dinosaurs and Predators: Action and Tension; all come together in this hugely popular Saturday night sci-fi.

Extracts from Series 3 eps 1, 3 & 10 - ITV Mar/Apr 2009.