Riddick: Unrated Director's Cut (Blu-ray + DVD)

Vin Diesel reprises his role as the antihero Riddick in the latest chapter of the groundbreaking saga. A dangerous, escaped convict wanted by every bounty hunter in the known galaxy, Riddick has been left for dead on a sun-scorched planet that appears to be lifeless. Soon, however, he finds himself fighting for survival against alien predators more lethal than any human he's encountered.