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Changing Seas

CHANGING SEAS takes viewers on an exciting adventure to the heart of our liquid planet. The documentary series offers an unprecedented look at how oceanographers and experts study earth's vast underwater wilderness, while shedding light on how over-fishing, global climate change and pollution threaten ocean resources.

Changing Seas  
  • Saving Sawfish
    Saturday, April 12
    3:30 pm on UEN-TV 9.1
    The strange, prehistoric-looking Smalltooth Sawfish were once coveted by anglers as popular trophy fish. But habitat loss and overfishing have greatly reduced the animals' range and landed them on the endangered species list. Today, the fish are limited to South Florida, where scientists are conducting research to save the species.
  • Ancient Adriatic: Croatia's Sunken History
    Saturday, April 19
    3:30 pm on UEN-TV 9.1
    Archaeologists and conservators along Croatia's Dalmatian Coast meticulously uncover and document an ancient Roman ship. Submerged in sediment for nearly 2000 years, the preserved wooden hull and recovered artifacts offer invaluable insights into the region's maritime history and cultural heritage.
  • Eagle Rays: Soaring On Spotted Wings
    Saturday, April 26
    3:30 pm on UEN-TV 9.1
    Despite its designation as globally "endangered," relatively little is known about the whitespotted eagle ray's ecology and life history. Now Florida scientists are combining cutting-edge technology with creative approaches to gain deeper insights into the movement and diet of this elegant fish - allowing them to experience the world from a ray's point of view for the first time.
  • Maui Aloha 'aina: from Mauka to Makai
    Saturday, May 3
    3:30 pm on UEN-TV 9.1
    Dedicated scientists, land restorationists, and volunteers are drawing upon the ancient wisdom of the Hawaiian people to revive Maui's cherished ecosystems. Even amidst profound loss in the wake of recent wildfires, these resilient islanders are committed to reconnecting waterways from Mauka to Makai -from the mountains to the ocean- to heal their island home.
  • California Sea Otters: Life on the Edge
    Saturday, May 10
    3:30 pm on UEN-TV 9.1
    Adored by many for its cuddly appearance, the threatened southern sea otter is a voracious predator that needs to eat the equivalent of 25% of its body weight a day to survive. Once nearly hunted to extinction, this endearing marine weasel has made a slow comeback on California's central coast, demonstrating its role as an ecosystem engineer in the process.
  • Sea Turtles: The Lost Years
    Saturday, May 17
    3:30 pm on UEN-TV 9.1
    After sea turtle hatchlings emerge from their nests, they vanish into the sea. Until recently, their journey was largely shrouded in mystery. Now, as technology advances, researchers are beginning to understand where turtles go during their so-called "lost years."
  • Grand Cayman's Famous Stingrays
    Saturday, May 24
    3:30 pm on UEN-TV 9.1
    Each year, thousands of tourists interact with the tame southern stingrays that congregate in the shallow waters of Grand Cayman's North Sound. Famous marine artist and scientist Dr. Guy Harvey has assembled a research team to study what impact the ecotourism might have on the wild fish.
  • Billfish: Battle on the Line
    Saturday, May 31
    3:30 pm on UEN-TV 9.1
    The unique oceanographic conditions of the eastern tropical Pacific make the area one of the best spots in the world for big game anglers to hook billfish. But intense pressures from commercial fishing operations have taken their toll on the numbers of sailfish and marlin in the region. Researchers are studying the animals to provide the data necessary to protect the fish populations from further decline.
  • The Secret Sex Life of Fish
    Saturday, June 7
    3:30 pm on UEN-TV 9.1
    Most people are familiar with the pretty tropical fish found in aquariums, but few realize that some of these animals are capable of changing sex. Discover the unique ways of how some fish species do this and why they likely evolved this way.

 

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  • Galapagos: Windows Into The Future
    Saturday, April 5
    3:30 pm on UEN-TV 9.1
    A co-production with the Khaled bin Sultan Living Oceans Foundation The unique oceanic conditions of the Galapagos Islands serve as a perfect natural laboratory to study how climate change may impact corals in the future. Scientists spend a month in the archipelago to conduct research as part of the Global Reef Expedition.
  • Biggest Fish in the Sea
    Saturday, March 29
    3:30 pm on UEN-TV 9.1
    Each summer, the world's largest known aggregation of whale sharks occurs just off the coast of Cancun, Mexico, attracting tourists and scientists alike. Hundreds of these gentle giants come to the area to feed on plankton, giving experts the opportunity to learn more about the largest fish in the sea.
  • Living Fossils
    Saturday, March 22
    3:30 pm on UEN-TV 9.1
    In the deep, dark waters off the coast of Roatan, Honduras, strange flowerlike animals flourish. These sea lilies and feather stars, known as Crinoids, have been around in various forms since before the age of Dinosaurs. Now experts including Dr. Charles Messing from Nova Southeastern University descend into the deep to study the animals from a submersible.
  • Reefs of Rangiroa
    Saturday, March 15
    3:30 pm on UEN-TV 9.1
    The Changing Seasteam meets with researchers in French Polynesia, where scientists conduct extensive habitat mapping to create a one-of-a-kind sea floor atlas. Experts also assess the health of the reefs to compare and contrast human impacts on reef systems over a large geographical area.
  • Creatures of the Deep
    Saturday, March 8
    3:30 pm on UEN-TV 9.1
    Little-known animals spend their entire lives in the Gulf of Mexico's cold, deep waters. New research sheds light on the lives of these mysterious creatures of the deep.
  • Sunken Stories
    Saturday, March 1
    3:30 pm on UEN-TV 9.1
    In the Florida Keys, divers from around the country learn how to map shipwrecks and apply their skills on a mysterious 19th Century slave ship. When diving isn't possible, professional explorers use high-tech tools to scan objects buried beneath the seafloor.