Episode 1
Looks at the brief history of rain forest research.
Episode 2
Follows dolphins as they fight for mates, hunt food, and clash with other dolphin species.
Episode 3
A look at one tigress's struggle to raise cubs and survive in the wild.
Episode 4
Talks about understanding and surviving the lethal phenomenon known as the avalanche.
Episode 5
Depicts the impact a hurricane had on California's marine mammals and kelp forests.
Episode 6
Episode 7
Off the coast of Israel, the oldest shipwrecks ever found in the Mediterranean offer clues to an ancient biblical civilization.
Episode 8
Episode 9
