4K Sea of Hope: America's Underwater Treasures (2017) online Year: 2017 Country: USA Director:Robert Nixon Stars: Unknown stars Stars: Unknown stars Genre: Documentary / New Movie Oceanographer Dr. Sylvia Earle, National Geographic photographer Brian Skerry, Author & Historian Maxwell Kennedy take a team of young environmentalists around America's Ocean hotspots to showcase the hidden ecosystems hidden beneath the waves. Their goal is to encourage people to protect these amazing hidden National Wonders. Watch Sea of Hope: America's Underwater Treasures (2017) online