Once Upon a Time Wiki

"Dark Waters"

2,356pages on
this wiki
Add New Page
Comments0 Share
IconMoveProtect IconOUAT IconEpisode IconS6

This key will open the gateway to a place called... the Mysterious Island. It is a place where we can start over. This is your chance, Killian. You don't have to swim the dark waters any longer.
Captain Nemo to Hook

"Dark Waters" is the sixth episode of Season Six of ABC's Once Upon a Time. It was written by Andrew Chambliss & Brigitte Hales, and directed by Robert Duncan. It is the one-hundredth and seventeenth episode of the series overall, and premiered on October 30, 2016.


Emma tries to convince Aladdin to work with Jasmine to help Agrabah, while Regina teams up with Snow and David to free Archie from Zelena. The Evil Queen sows suspicion between Henry and Hook, even as Mr. Gold reminds her of his most important lesson. Meanwhile, in the past, Hook finds himself kidnapped by the mysterious Captain Nemo and held captive inside his legendary submarine, the Nautilus.[2]




Guest StarringEdit




Production NotesEdit

  • The title card features a kraken.
  • The title of this episode was revealed by Adam Horowitz via his Twitter account on August 23, 2016.[3]
  • The episode's title appears in a passage in chapter 3 of the second part of Jules Verne's novel Twenty Thousand Leagues Under the Sea, in which the first-person narrator Professor Pierre Aronnax describes, "Under these dark waters there stretched the bank of shellfish, an inexhaustible field of pearls more than twenty miles long."[4]
  • When Hook first meets Captain Nemo, Nemo introduces himself as "no one". Nemo is Latin for "no one".
  • Hook throws Henry's unhealthy breakfast in the garbage and suggests a pirate's breakfast of grapefruit and boiled mackerel instead, adding "there will be no scurvy here today". Scurvy is a disease caused by a lack of vitamin C in the diet. It is commonly associated with sailors in the 16th to 18th centuries who navigated long voyages without enough vitamin C and frequently perished from the condition;[5] this disease killed over an estimated two million sailors during the Age of Sail,[6] more sailors than were lost in all sea battles combined.[7] In the eighteenth century, it was discovered that scurvy could be prevented and cured by consuming citrus fruit (grapefruits and other citrus fruits are full of vitamin c), which led to the prevention of scurvy.[8]
  • The establishing shot of Granny's Diner is stock footage from "Smash the Mirror". This can be seen from the identical foliage on the trees and the climbing plants.[9]
  • The segments with Belle and the two ultrasound pictures were inspired by Brigitte Hales' real life experience from when she was pregnant with her own daughter. When she got two ultrasound pictures, she asked why, and was told that it was standard procedure.[10]
  • The episode script features additional dialogue between Belle and Mary Margaret, in which Belle comments on the flowers at the Storybrooke General Hospital, and Mary Margaret tells her about how she used to deliver them, and that this was how she found David when he was in a coma.[11]

Event ChronologyEdit

Episode ConnectionsEdit


  • The name of the Shears of Destiny is reminiscent of the Spear of Destiny, the Holy Lance's alternative name. Like the shears, the Spear of Destiny is closely connected to the Savior, as it is said to be the weapon used to pierce Jesus Christ's side as he hung on the cross.


Fairytales and FolkloreEdit

Popular CultureEdit


  • The knife that Hook discovers aboard the Nautilus is not the same knife that Hook used to kill his father in "Swan Song". The knife that Hook used had a double edge and a double-sided handle,[13] while Liam's knife is bigger, and has a single-edged blade and a different handle.[14]

Props NotesEdit

  • The book that Mr. Gold is reading[15] contains an illustration (seen upside-down) of a crucified serpent, which is also known as an alchemical cross. This is an old alchemical symbol representing the "fixing of the volatile," as in making the elixir of mercury.[16] The picture is from a book about ancient alchemy: Uraltes chymisches Werk (Age-Old Chemical Work) by Abraham Eleazar, which was first published in 1734. Nothing is known about Abraham Eleazar, who was supposedly a Jewish alchemist. His name was most likely fictional, and the real author seems to have been a person called Julius Gervasius of Schwarzburg.[17]
    • Note that the illustration has been modified for the show. The show's version is mirror-inverted and colorized, and the size of the cross has been changed. Extra details (caption and symbols) have also been added.

Set DressingEdit

Costume NotesEdit

Filming LocationsEdit

International TitlesEdit



  2. 2.0 2.1
  9. File:408GrannysDiner.png
  13. File:511Killian.png
  14. File:606ThatKnife.png
  15. File:606GoldReading.png
  19. File:606MaryMargaretSeesBelle.png
  20. File:212LettingHimDie.png
  21. File:213ComfortsFromHome.png
  22. File:219WhereIsShe.png
  23. File:320CharmingFamily.png
  24. File:206MotelRoom.png
  25. File:606JoinMe.png
  26. File:606HookGetsUp.png
  27. File:520CleoComesOut.png
  28. File:606YourLifeFamily.png
  29. File:212IDidIt.png
  30. File:212IPurchasedYouACommission.png
  31. File:407DiplomaticMission.png
  32. File:417OffWithHisHat.png
  33. File:516OzGuard.png
  34. File:614GiveThatOrder.png
  35. File:615FromThoseBeasts.png
  36. File:606ThisIsNot.png
  41. File:606FirstUltrasound.png

Start a Discussion Discussions about Dark Waters

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.