

Sigourney Weaver guides viewers on a journey to the heart of whale culture to experience the extraordinary communication skills and intricate social structures of five different whale species. With the help of new science and technology, viewers witness whales making lifelong friendships, teaching clan heritage and traditions to their young and grieving deeply for the loss of loved ones.

Orcas across the globe use unique strategies to stay on top of the food chain. Patagonia's whales catch sea lions off the beach, New Zealand's orcas root out hidden stingrays, and Norway's sea giants master the tail slap. Witness five powerful orca matriarchs pass down their family hunting traditions to the next generation, preserving their way of life before the customs are lost forever.
Aired: 4/22/2021
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In a classroom that spans the world's oceans, from Alaska's herring-rich coastline to Antarctica's feeding grounds, humpback calves learn their family's traditions. Cooperative hunting strategies, the longest migrations of any known mammal and communicating through complex songs to find a mate are all lessons absorbed by the younger generation.