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"Strange Case" is the fourth episode of the sixth season of ABC's Once Upon a Time and the one-hundredth and fifteenth episode of the series overall. It was written by David H. Goodman and Nelson Soler. It aired on October 16, 2016. It was written by David H. Goodman and Nelson Soler and directed by Alrick Riley.

Plot

Opening sequence

Big Ben is featured in the forest.

In the Character's Past

In the Victorian England realm of story, Dr. Jekyll is joined by his friend Mary Lydgate, whose father, Dr. Lydgate, is a member of a prestigious science academy, as he hopes to convince him to back his project that he created, a serum that separates personalities, only to be rejected. The experiment would later attract the attention of Rumplestiltskin, who suddenly appears and helps Jekyll perfect the serum, and when Jekyll drinks it, he transforms into Hyde for the first time. That night at a party, Hyde, with the help of Rumplestiltskin, confronts Mary’s father and threatening to expose the truth about him sleeping with his lab assistant, if he doesn’t grant Jekyll his membership into the academy. In the morning, Jekyll wakes up and remembers nothing but finds himself to be an academy member.

Later on, Rumplestiltskin's influences Jekyll to become Hyde again, this time to win over Mary, revealing that Jekyll has strong feelings for her, but she admits that she isn’t interested in the same way and wants a man who wants to embrace passion without getting rid of it, and the two kiss. The following morning, Jekyll and Mary are waking up in bed together and are shocked by the outcome, as Jekyll tries to convince her that he is Hyde, but Mary is upset that Jekyll tricked her and tries to run away, prompting an angry Jekyll to push Mary out of the window and to her death. Realizing what he has done, Jekyll drinks the last of the serum and escapes as Hyde.

In Storybrooke

At the pawnshop, Gold is looking in the mirror and sees his hair as he prepares to cut it, giving him a more crew cut appearance. He is soon visited by the Evil Queen and Hyde, who demand a necklace. As Gold chokes Hyde, he learns from the Evil Queen that he can't kill him (or her) that easily, although she tells Gold that their deal to protect Belle and his unborn baby is still in effect. When news leaks of Hyde escaping the asylum, this suddenly disrupts the normal life for David and Snow, as well as for Emma and Hook, who is ready to move in with her. When Regina and Jekyll show off the necklace, they soon discover that the serum will be vital in defeating The Evil Queen and Hyde. With Hook having moved out of the Jolly Roger, he gave Belle a magical seashell to use as a emergency, but Gold stops by to offer her protection from Hyde. After Belle refuses, Gold places a protection spell on the ship in order to prevent Belle from leaving and keep Hyde from entering. Later on, Regina asks Gold for help, only to discover the Evil Queen and Hyde have already destroyed the lab and Jekyll is left unconscious, but the ambush does leave a splatter of the serum, prompting Gold to steal Jekyll’s heart, then pours the serum onto his dagger that will be useful in killing Hyde. As Gold leaves, he tosses Regina Jekyll’s heart back, who then goes to the Jolly Roger to stay with Belle.

In the woods, David and Emma find Hyde, and this time he is ready as he overpowers them almost immediately, only to have Gold come out of nowhere and stabs him in the heart with the serum-covered dagger, but that fails as well, as Hyde tells Gold that he switched serums with Jekyll earlier, then uses the opportunity to take the dagger and control Gold, ordering him to take them to Belle. When the two appear in front of the Jolly Roger, Hyde says that there is one final twist. It turns out that that Jekyll is actually the ruthless one, as his aggressive and obsessive behavior of his lost love starts to worry Belle as she attempts to use the seashell to contact Hook but Jekyll breaks it, and her attempt to escape is prevented by the protection spell, and only Gold and Hyde can do is look on. Jekyll attempts to kill Belle as revenge against Gold for what happened to Mary (which Hyde also wants). Luckily, Hook appears out of nowhere just in time to save Belle. After a brief fight, he overpowers and kills Jekyll by knocking him into the sharp end of a harpoon, impaling him. Just as Hyde was about to command Gold to do something else, he dies along with Jekyll. It is then discovered that the one surefire way to kill one's serum persona is by killing their original, which means the same thing that happened to Jekyll and Hyde can be done with Regina and the Evil Queen. Regina is unsettled at this discovery, and the possibility she might still hold evil within her as with Jekyll. She asks Emma to "do what is necessary" to keep from returning to evil, while an angry Belle confronts Gold about his deal with Hyde. He reveals that, back when she was a slave in his castle, he was worried about the feelings he had for her. Gold sought out Jekyll to see if his serum could rid people of "weakness," but when his experiment proved a failure, he angrily banished Hyde to the Land of Untold Stories. Belle is still distrustful with Gold, but he insists she will need him to protect their child, claiming that “necessity” will make her love him once again.

Back at Storybrooke Elementary School, Snow resumes her role as teacher, and introduces her new assistant Shirin to the class. Realizing that the students are struggling, Shirin suggests that Snow embrace her past to inspire them. Taking a cue from Isaac Newton, Snow uses her experience as an archer and the students are in awe, winning her confidence with them. At the end of the school day, Shirin later meets up with the Oracle in the woods, where they are coordinating plans to search for Aladdin, as Shirin is revealed to be Princess Jasmine.

Cast

Starring

Guest Starring

Trivia

  • Jekyll is revealed to be the true monster between himself and Hyde, as Hyde embodies the passion and heart Jekyll blocks out.
  • Mr. Gold gets a haircut.
    • This was due to Robert Carlyle filming Transporter 2 at the time, so it was written in to avoid having him wear a wig all the time.
  • As of this story, Mr. Gold and Belle's strained relationship begins to be more distrustful, and (on Belle's end) abusive.
  • Jasmine's alias ironically would go on to be the name of the city Jafar wants to attack in the 2019 film.

Gallery

Wiki
The Disney Wiki has a collection of images and media related to Strange Case.
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Media
Shows: Once Upon a TimeOnce Upon a Time in Wonderland

Books: Once Upon a Time: Shadow of the QueenReawakened: A Once Upon a Time TaleOnce Upon a Time - Behind the MagicOnce Upon a Time: Out of the PastOnce Upon a Time: Red's Untold TaleOnce Upon a Time: Regina RisingHenry and Violet
Special Bonus: Good Morning StorybrookeThree Who StayedTales From The Underworld: A Knight With Cruella

Characters
Once Upon a Time:
Season One: Emma SwanSnow White/Mary Margaret BlanchardPrince Charming/David NolanRumplestiltskin/Mr. Gold/WeaverEvil Queen/Regina Mills/RoniBelle/Lacey FrenchHenry MillsHappySneezy/Tom ClarkBashfulDocDopeySleepy/WalterJiminy Cricket/Archie HopperStealthyVictor Frankenstein/Dr. WhaleBlue FairyWidow Lucas/GrannyKing George/Albert SpencerGenie/Magic Mirror/Sidney GlassMad Hatter/JeffersonPrince Henry/The ValetKnave of HeartsSheriff of Nottingham/KeithFairy GodmotherAbigail/Kathryn NolanRed Riding Hood/The Wolf/RubyHuntsman/Sheriff GrahamBaelfire/Neal CassidyPinocchio/August W. BoothFrederick/JimSevere NurseMayor TomkinsHansel and Gretel/Nicholas and Ava ZimmerThe Woodcutter/Michael TillmanMartinMyrnaStephenDonnaPrince JamesBlind WitchPeterSirenPongoGastonThe King/Mitchell HermanKing LeopoldKing MidasZosoPrince Thomas/Sean HermanGraceDaniel ColterNovaBriar RoseGeppetto/MarcoGus/BillyRuth

Season Two: Killian Jones/Hook/RogersAuroraPrince PhillipMulanMilahMaid MarianQuinnAnita LucasJackKing XavierAntonWilliam SmeeGreg MendellTamaraThe DragonQueen EvaSeerLancelotRobin Hood
Season Three: Peter Pan/Malcolm/Pied PiperWendy DarlingArielZelena/The Wicked Witch of the WestGlinda/The Good Witch of the SouthThe Wizard of Oz/WalshElsa the Snow QueenTinker BellBlackbeardLumièreUrsula the Sea GoddessDorothy GaleThe Witch of the EastRapunzelRapunzel's MotherRapunzel's FatherLost BoysJohn DarlingMichael DarlingThe ShadowThe Sheriff of HamelinNanaMary DarlingGeorge DarlingMedusaPrince EricLiam Jones
Season Four: AnnaKristoffHansGrand PabbieSvenUrsula the Sea WitchMarshmallowLittle Bo PeepThe ApprenticeIngrid/Sarah FisherLily PageColetteOakenKing of ArendelleQueen GerdaCruella De VilPoseidonDuke of WeseltonHans' BrothersChernabogKing StefanIsaac/The AuthorMadelineMerlin/The Sorcerer
Season Five: MeridaQueen EleanorKing FergusHarris, Hubert, and HamishThe WitchLord MacGuffinLord MacintoshLord DingwallKing ArthurSir KayGuinevereCharonBrennan JonesHadesMegaraHerculesCerberusThe ScarecrowTotoCleo FoxAuntie EmDr. JekyllMr. HydeEvil Queen
Season Six: The Count of Monte CristoAladdinGideonJasmineRed BirdCaptain NemoLady TremaineClorindaTisbeJacobOracleRoyal GuardsThe SultanBeowulfBlack FairyTiger LilyRobertPrince AchmedStanumCowardly LionLucy Vidrio
Season Seven: Rapunzel Tremaine/Victoria BelfreyCinderella/Jacinda VidrioTiana/SabineAlice/TillyDrizella/Ivy BelfreyAnastasiaGothel/Eloise GardenerEudoraDr. Facilier/Mr. SamdiHansel/Jack/Nick BransonMarcus TremaineCeceliaCoven of the EightMadame LeotaNaveen/DrewBlind Witch/HildaGretelChadSeraphinaFloraIslaZorro
Once Upon a Time in Wonderland: AliceCyrusAnastasia/The Red QueenPercy/The White RabbitJabberwockySilvermistThe Sultan/The Old PrisonerTweedle Dee and Tweedle DumMrs. RabbitElizabeth/LizardAmara
Both series: Will Scarlet/The Knave of HeartsCinderella/Ashley BoydRobin HoodLittle JohnFriar TuckGrumpy/LeroyCora/The Queen of HeartsCaterpillarMaleficentJafarDr. Lydgate

Episodes
Season One: "Pilot" • "The Thing You Love Most" • "Snow Falls" • "The Price of Gold" • "That Still Small Voice" • "The Shepherd" • "The Heart Is a Lonely Hunter" • "Desperate Souls" • "True North" • "7:15 A.M." • "Fruit of the Poisonous Tree" • "Skin Deep" • "What Happened to Frederick" • "Dreamy" • "Red-Handed" • "Heart of Darkness" • "Hat Trick" • "The Stable Boy" • "The Return" • "The Stranger" • "An Apple Red as Blood" • "A Land Without Magic"

Season Two: "Broken" • "We Are Both" • "Lady of the Lake" • "The Crocodile" • "The Doctor" • "Tallahassee" • "Child of the Moon" • "Into the Deep" • "Queen of Hearts" • "The Cricket Game" • "The Outsider" • "In the Name of the Brother" • "Tiny" • "Manhattan" • "The Queen Is Dead" • "The Miller's Daughter" • "Welcome to Storybrooke" • "Selfless, Brave and True" • "Lacey" • "The Evil Queen" • "Second Star to the Right" • "And Straight On 'Til Morning"
Season Three: "The Heart of the Truest Believer" • "Lost Girl" • "Quite a Common Fairy" • "Nasty Habits" • "Good Form" • "Ariel" • "Dark Hollow" • "Think Lovely Thoughts" • "Save Henry" • "The New Neverland" • "Going Home" • "New York City Serenade" • "Witch Hunt" • "The Tower" • "Quiet Minds" • "It's Not Easy Being Green" • "The Jolly Roger" • "Bleeding Through" • "A Curious Thing" • "Kansas" • "Snow Drifts" • "There's No Place Like Home"
Season Four: "A Tale of Two Sisters" • "White Out" • "Rocky Road" • "The Apprentice" • "Breaking Glass" • "Family Business" • "The Snow Queen" • "Smash the Mirror" • "Fall" • "Shattered Sight" • "Heroes and Villains" • "Darkness on the Edge of Town" • "Unforgiven" • "Enter the Dragon" • "Poor Unfortunate Soul" • "Best Laid Plans" • "Heart of Gold" • "Sympathy for the De Vil" • "Lily" • "Mother" • "Operation Mongoose"
Season Five: "The Dark Swan" • "The Price" • "Siege Perilous" • "The Broken Kingdom" • "Dreamcatcher" • "The Bear and the Bow" • "Nimue" • "Birth" • "The Bear King" • "Broken Heart" • "Swan Song" • "Souls of the Departed" • "Labor of Love" • "Devil's Due" • "The Brothers Jones" • "Our Decay" • "Her Handsome Hero" • "Ruby Slippers" • "Sisters" • "Firebird" • "Last Rites" • "Only You" • "An Untold Story"
Season Six: "The Savior" • "A Bitter Draught" • "The Other Shoe" • "Strange Case" • "Street Rats" • "Dark Waters" • "Heartless" • "I'll Be Your Mirror" • "Changelings" • "Wish You Were Here" • "Tougher Than the Rest" • "Murder Most Foul • "Ill-Boding Patterns" • "Page 23" • "A Wondrous Place" • "Mother's Little Helper" • "Awake" • "Where Bluebirds Fly" • "The Black Fairy" • "The Song in Your Heart" • "The Final Battle"
Season Seven: "Hyperion Heights" • "A Pirate's Life"• "The Garden of Forking Paths" • "Beauty" • "Greenbacks" • "Wake Up Call" • "Eloise Gardener" • "Pretty in Blue" • "One Little Tear" • "The Eighth Witch" • "Secret Garden" • "A Taste of the Heights" • "Knightfall" • "The Girl in the Tower" • "Sisterhood" • "Breadcrumbs" • "Chosen" • "The Guardian" • "Flower Child" • "Is This Henry Mills?" • "Homecoming" • "Leaving Storybrooke"

Once Upon a Time in Wonderland: "Down the Rabbit Hole" • "Trust Me" • "Forget Me Not" • "The Serpent" • "Heart of Stone" • "Who's Alice?" • "Bad Blood" • "Home" • "Nothing to Fear" • "Dirty Little Secrets" • "Heart of the Matter" • "To Catch a Thief" • "And They Lived..."

Locations
Once Upon a Time: Boston, MassachusettsDark PalaceMaurice's CastleDark Castle/Rumplestiltskin's CastleLibraryKing's CastleCinderella's ChateauDwarves' CottageDwarf MinesGeppetto's HomeNew York CityKing Stefan's CastleThe BeanstalkGiant's LairDarling NurseryNeverlandBig BenSkull RockHamelinMaritime CastleRapunzel's TowerVault of the Dark OneLand of OzYellow Brick RoadEmerald CityArendelleValley of the Living RockArendelle CastleElsa's Ice PalaceWandering Oaken's Trading Post and SaunaBald MountainRing of StonesDunBrochWitch's CottageCastle DunBrochUnderworldMount OlympusPoppy FieldsAuntie's Chicken & WafflesCave of WondersPleasure IslandMagical ForestSeattleHyperion HeightsBelle & Gold's HouseFacilier's LairGothel's GardenTiana's PalaceSan FranciscoMemento MoriMaldoniaFlynn's BarcadeUnited Realms

Once Upon a Time in Wonderland: Wonderland CastleThe Mad Hatter's HouseWhite Rabbit's HouseUnderlandTulgey Wood
Both series: StorybrookeMaineEnchanted ForestForbidden FortressWonderlandWonderland MazeAgrabahSherwood ForestThe Sultan's Palace

Objects
Once Upon a Time: Once Upon a Time (Book)Red Riding HoodMaleficent's StaffMagic WandGlass SlipperPoisoned AppleSpinning WheelMagic LampDark One's DaggerChipped CupJefferson's HatMagic BeansCaptain Hook's HooksEnchanted CandlePixie DustDreamshadeSalad ForkPandora's BoxSilver SlippersSorcerer HatEnchanted BroomTridentEnchanted ShellHeroes and Villains (Book)Merida's BowMagical RoseExcaliburOlympian CrystalCinderella's DressGolden Scarab BeetleRapunzel's Frying PanMagical Golden FlowerShrinking PotionFloating LanternsTarot CardsMaui's Fish Hook

Once Upon a Time in Wonderland: Vorpal Blade
Both series: Jafar's Snake StaffEnchanted HeartsJafar's Lamp

Songs Featured
Give a Little WhistleHeigh-HoWith a Smile and a SongBeauty and the BeastPart of Your WorldFathoms BelowCruella De VilSome Day My Prince Will ComeThe Unbirthday Song

Original Songs: Powerful MagicThe Queen SingsLove Doesn't Stand a ChanceRevenge Is Gonna Be MineWicked Always WinsCharmings vs. Evil QueenEmma's ThemeA Happy Beginning

Vehicles
The Jolly RogerMagic CarpetRoyal ShipCruella's carNautilusCinderella's Coach
Species
FairiesUnicornsDragonsBridge TrollsWerewolvesWraithOgresMermaidsKrakenFlying MonkeysRock TrollsWill O' the WispsFuriesMunchkinsTree Nymphs
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