Season 21 Episodes20
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7.0
Journey to the Sacred Sea
7.0/10 · 8 votesDec 20, 199455 min
Ranked #12 of 12 in Season 21•−0.7 vs season avg
NOVA travels to Lake Baikal, the world's oldest and deepest lake, containing one-fifth of all the fresh water on Earth. Investigating Baikal from above, below and all around, NOVA charts its dramatically changing environment over the course of four seasons.
Seasons53
Episode Summary
"Journey to the Sacred Sea" is episode 19 of NOVA season 21. It scored 7.0/10 from 8 votes, ranking #12 of 12 episodes this season (season average 7.7). It aired on December 20, 1994.