1. Mount St. Helens

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. 15 October 2017. 46 min

From scientists to campers to residents, discover the stories of those who were there when Mount St. Helens erupted.

2. San Francisco Quake

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. 22 October 2017. 46 min

Discover the devastation a 7.1-magnitude earthquake can wreak on a city as we revisit the San Francisco quake of 1989.

3. Oklahoma Tornado

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. 29 October 2017. 46 min

Rarely seen footage and nerve-wracking stories place you in the middle of the Oklahoma tornado of 1999.

4. Oil Rig Explosion

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. 5 November 2017. 46 min

Follow a handful of men as they race for survival through the smoke and fire-filled labyrinth of the Piper Alpha Oil Rig.

5. USS Indianapolis

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. 12 November 2017. 46 min

Witness the worst sea disaster in U.S. naval history, the sinking of the USS Indianapolis, and the horrors that ensued.

6. Dam Disaster

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. 19 November 2017. 46 min

See how a massive landslide into a dam reservoir caused a wave of disaster to hit the village of Longarone, Italy.