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You are able to buy "Shark Week - Season 23" on Apple TV as download.
Shark Week is back with a vengeance and this year it brought a friend! Comedian Andy Samberg is Discovery’s Chief Shark Officer (CSO) and he joins the sharks to combine comedy and action to this summer’s must-see television event. With seven new programs, Discovery Channel explores these predators’ psyche—How do sharks hunt? What makes them unique? Why do they attack? Learn the answers in Shark Week 2011!