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Dinosaur cool takes a kicking in this dreary, terribly animated mock-doc, in which crudely composited reptiles stalk flat live-action landscapes in search of dinner. Originally broadcast in bite-sized chunks on the Discovery Channel, at feature length its narrative flaws are glaring.

Endless vignettes show the same set-up of predators on the prowl, repeated over millions of years – and it feels like it. Werner Herzog’s grandiose, unintentionally camp narration adds entertainment value, but there’s zero educational sustenance in the film’s servings of synthetic gore.