Season 1 Episodes9
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Ezra Knight
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Ranked #4 of 9 in Season 1•+0.1 vs season avg
Water levels rise up to 50 feet at high tide in Canada's Bay of Fundy, while the Turnagain Arm in Alaska experiences 10-foot-high tidal "bore waves."

Ezra Knight
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"Tides" is episode 7 of Secrets of the Earth season 1. It scored 7.4/10 from 13 votes, ranking #4 of 9 episodes this season (season average 7.3). It aired on July 18, 2013.