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Episode 1
This monster bird stood seven-feet tall and battled wolves and sabretooth tigers. Scientists reconstruct its deadly hooked beak to see how it killed its prey.
Episode 2
The Mosasaur was an eight-ton marine killing machine. Scientists reconstruct its awesome jaws in steel to show how it was the apex predator of prehistoric seas.
Episode 3
Spinosaurus was a carnivore twice the size of T-Rex with a massive crocodilian skull. The only skeleton was thought lost, but now fragments have resurfaced.
Episode 4
The Acrocanthosaurus was the greatest predator ever to stalk North America - a 12m beast able to kill 30 ton prey. Can scientists reconstruct this killing machine?
Episode 5
The Megalania was a huge meat eating lizard that ruled its territory for a million years. What destroyed this killing machine - and could scientists reconstruct it?
Episode 6
Predator expert Dave Salmoni and a team of renowned palaeontologists investigate the fearsome Bear Dog, the top carnivore of the Miocene Epoch.