The series features 36 episodes to date, offering topics related to marine life and scientific research missions. Episode topics include: marine life at the Blue Heron Bridge, manatee conservation in Crystal River, the secret sex lives of fish, stingrays at Stingray city, Grand Cayman, Atlantic goliath grouper, Aquarius Underwater Laboratory, whale shark congregations in Mexico, climate change in the Galápagos Islands, deep-water corals, aquaculture, research in Dry Tortugas National Park, the impact of legacy contaminants on bottlenose dolphins, seagrasses and mangroves, artificial reefs, the lionfish invasion, coral reef restoration, testing of sea sponges for medical use, the impacts of the "Deepwater Horizon" oil spill, tracking tiger sharks, studying microorganisms living on corals, Nassau grouper spawning aggregations, and the coastal carnivores living in Everglades National Park.