Up Next
Back to Show
Expedition
Robbie Prepares The Divers’ Lifeline
As everyone gets ready for an exploration of an unmapped cave, expert diver Robbie Schmittner prepares a guide line for them to use. This line will help Steve and the crew make their way in and out of the water and will also serve as a guide for future explorers.
Support Provided By
Unlock with PBS Passport
51:08
Join a shark expedition to a remote volcanic island in Mexico’s Eastern Pacific.