Season 1 Episodes13
Cast1

Corey Johnson
Self - Narrator (voice)
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Ranked #4 of 13 in Season 1•+0.3 vs season avg
The jagged backbone of Europe, spanning seven countries and providing essential water to millions, the Alps are Europe's most important landmark. But how did marine fossils get here, seven thousand feet above sea level?

Corey Johnson
Self - Narrator (voice)
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"The Alps" is episode 13 of How the Earth Was Made season 1. It scored 8.6/10 from 27 votes, ranking #4 of 13 episodes this season (season average 8.3). It aired on May 12, 2009.