Dark Waters (Once Upon a Time) is to take Snow's heart. The Land of Untold Stories is revealed to be the Mysterious Island from the book as the same name. The "Nautilus" is based on the submarine from "Twenty Thousand Leagues Under the Sea". Captain Nemo based on the protagonist from Jules Verne's novel "Twenty Thousand Leagues Under the Sea". Hook refers to the giant squid that attacks him as a kraken. The kraken is a legendary sea monster of giant size that is said to dwell off the coasts of Norway and Greenland. The episode posted its lowest numbers so far in the series, as
30,000 Leagues Under the Sea "Aquanaut", the ship is then sent back to the "Nautilus" where it intercepts the missiles attempting to fire. The backlash scuttles the larger ship and it crashes into the underwater city of Lemuria, presumably with total losses. The Scotia is able to contact the "Abraham Lincoln" and the remainder of the rescue gets underway. Conseil shows Arronaux stolen plans of Nemo's ship. 30,000 Leagues Under the Sea 30,000 Leagues Under the Sea is a 2007 film directed by Gabriel Bologna. It is a modern update on the classic book "20,000 Leagues Under the Sea", and stars Lorenzo Lamas as Lt.