Season 1
This series chronicles daring explorers, scientists, and filmmakers as they deploy never-before-used technology on ambitious missions, tackling the challenges that arise while pursuing answers to the ocean's most unresolved mysteries.
20246 EpisodesDocumentary
Episode Guide
The team journeys to the Dominican Republic in the Caribbean to uncover the most profound truths about the North Atlantic humpback whale; they witness a mother defend her calf in the ultimate ocean battle with a pack of orcas.