Ric O’Barry trained the dolphins that played Flipper in the 1960s TV show. He now regrets those days, he says, because the show gave rise to the global dolphin entertainment industry.

O’Barry has been fighting a guerrilla war to call attention to the many dolphin hunts still active around the world. He now features in a documentary called The Cove, which claims to expose the annual slaughter of some 20,000 dolphins in the Japanese fishing town of Taiji.

Watch a trailer for The Cove:

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