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Watch NOVA Season 20 Episode 5 Online

  • 6.845/10
  • COUNTRIES: United States of America
  • Subtitles: English

NOVA covers scientists on the brink of a sputtering, shaking, impatient volcano, trying to forecast when it will go off. When it does, Mt. Pinatubo in the Philippines goes big time, producing the largest volcanic eruption in 80 years.