20,000 Leagues Under the Sea (1954 film) Ned tries to identify himself as the author of the bottled messages. Aronnax is furious, recognizing that Nemo will destroy all evidence of his discoveries. Nemo enters the base and activates a time bomb, but is mortally wounded on "Nautilus"s deck from a slug to the back. After navigating the submarine away from Vulcania, Nemo announces he will be "taking the "Nautilus" down for the last time". The crew declare they will accompany their captain in death. Aronnax, Conseil, and Ned are confined to their cabins. The Nautilus's crew also retreat to their cabins at Nemo's instructions. Ned escapes and
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