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Steve Irwin has a close encounter with the Kaiko Maru, a spotter ship in the Japanese whaling fleet. Sea Shepherd crew members throw butyric acid (an organic, non-toxic stink

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Giles Lane gives the thumbs up after successfully landing on the deck of the Yushin Maru

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Giles Lane and Ben Potts are captured by Japanese crew

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Paul Watson removes bullet allegedly fired at him by Japanese whalers

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The Sea Shepherd helicopter follows the Yushin Maru

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Steve Irwin navigates between two large tabletop icebergs in Antarctica

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Iceberg valley in Antarctica

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Steve Irwin navigates through swells in Antarctica

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The Steve Irwin as seen through the arch of an iceberg as it sails through the Southern Ocean

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A mother and calf humpback whale swim underwater