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Watch Hawaii Five-O Season 2 Episode 23 Online

  • 7.1/10
  • COUNTRIES: United States of America
  • Subtitles: English

Dr. Alexander Kline, a biological scientist, views his work as evil, and to prove it, he plans to unleash a deadly germ that would kill thousands. Three dead cows lead McGarrett on a desperate chase to track down the toxin, involving a friendly telephone operator and top Washington agents.