NOVA: Mt. St. Helens

Special | 30s

Over the course of 30 years, plant and animal life has returned to the barren landscape of Mount St. Helens after the eruption in 1980. But there's a new threat: The mountain, too, is coming back to life. Premieres 5/4 at 8pm.

Aired: 05/03/10

Rating: NR

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