National Geographic Specials1986Season 22 · 1986 · 6 episodesEpisodes1Secrets of the TitanicConsists of historical photos and footage of the massive steamer, the exploration by Dr. Robert Ballard, and a look inside the ship itself.2Chesapeake BorneObserves the Chesapeake Bay, the largest estuary in the United States. Shows how the region's main industry, crabbing, shapes lives.3Creatures of the MangroveShows the ecosystem of mangrove trees, including fiddler crabs, proboscis monkeys, and mudskippers.4Jerusalem: Within These WallsA view of Jerusalem and its people, a product of 3000 years of history and religious faith.5Quest for the AtochaA search for the treasure of the Spanish galleon Atocha.6Realm of the AlligatorA swampland on the Georgia-Florida border is ruled by the fearsome alligator.Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 18Season 19Season 20Season 21Season 23Season 24Season 25Season 26Season 27Season 28Season 29Season 30Season 31Season 32Season 33Season 34Season 35Season 45