Watch Wondrous Secrets of the Ocean Realm: Mountains in the Sea & Filming Secrets

Wondrous Secrets of the Ocean Realm: Mountains in the Sea & Filming Secrets is a documentary about underwater filmmaking. The first half of the film takes place off the coast of Cocos, an island near Costa Rica that is the site of a nature refuge for migratory marine animals. The second half is set off the coast of California and emphasizes filming techniques. The second half includes interviews with the film crew.