On an epic journey that spans the world's oceans in Dominica, the Azores and Sri Lanka, witness the complex culture of the gentle giants. Relying solely on the next generation's ability to learn their intricate ways, family culture and secrets, the sperm whales' future rests upon its youngest members.

Originally released by National Geographic, 2021. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.