Australia's Deadliest Destinations

Episode Synopsis

Greg returns to the Great Barrier Reef, where sublime natural beauty combines with fierce predators, including ferocious tiger sharks, paralyzing box jellyfish and toxic cone shells. That most mysterious of Australian species: the platypus, the only mammal that lays eggs instead of giving birth to live young is also checked out. All the while, Grainger provides insightful and energetic commentary.