Dive into the underwater world of sharks and the other marine animals that inhabit the ocean. Learn about the many types of sharks, including those that pose a threat to humans, their behavior and how to avoid attack.

Adaptation of: Shark trouble / Peter Benchley.

Aliens in the sea -- I: South Australia, 1974: swimming with nightmares -- Jaws -- South Australia, 1974: part 2 -- South Australia, 1974: part 3 -- II: Shark attacks: a summer of hype -- Sharks: how little we know -- Six dangerous sharks -- Swimming safely in the sea -- How to avoid a shark attack -- When good dives go bad -- You say you want to dive with sharks? -- Some shark facts and a story -- III: Dangerous to man? Moray eels, killer whales, barracudas, and other creatures we fear -- Even more creatures to avoid...and respect -- Okay, so what can we do?