Journey to the Sacred Sea Nova : Season 21 Episode 19

TV-PG PBS 1h 00m int(0)

Aired: December 20th, 1994 @ 9:00 PM EST on PBS

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.