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"The Curious Case of the Giggles" is the first segment of the seventy-third episode of Vampirina. It is the first segment of the twenty-third episode of the third season. It premiered on April 19, 2021 alongside "International Treasure".

Synopsis[]

Hydie Jekyll, a monster-kid scientist, is in town in search of the final ingredient to her secret potion.

Plot[]

Vampirina tells Demi she is getting her lab ready as a junior mad scientist named Hydie Jekyll is coming today. Jekyll then arrives and is delighted to see the Hauntleys. Vampirina introduces herself as a sciencist, as well, and Jekyll mentions that her first day at her new Junior Mad Science Academy is in a few days and every student has to being an original potion. Hers is missing an ingredient, as she tested every one of them from the Fear-iodic table with no luck. So, Jekyll knows the key to her discovery is a human ingredient. Vampirina mentions she uses human ingredients in her potions all the time. Jekyll claims she and Vampirina will make a great team when Chef Remy Bones arrives with horror-d'oeuvres. While getting some, Demi gets them all over Gregoria.

This causes Jekyll to laugh and bounce all over, revealing herself to be a part-troll. Jekyll mentions she only turns into a troll when she laughs and when she stops, she transforms back. Vampirina and Jekyll are ready to brew some potions. Jekyll's potion is something she's been working on for a long time, one that's never been done before. Vampirina wonders what ingredients to try when Demi shows some examples. Jekyll knows the human ingredient will work if the potion glows bright yellow. Vampirina decides to use a good mix of yellow items for the brightest glow, and she, Jekyll, Demi, and Gregoria collect some samples.

First up is butter, which Vampirina uses on her ghost toast. When Jekyll tests it, the potion overflows with foam. Next is lemon, and Vampirina states that they can use as many lemons as they need, according to Edna. When lemon is tested, the potion creates yellow tickling flowers. Demi then sneezes into Gregoria and Jekyll prevents herself from turning into a troll again. Jekyll wonders what ingredient is next when Vampirina brings up yarn for sweaters.

It also doesn't work, and instead creates different styles for Demi and Gregoria. Jekyll then turns into a troll again and messes up everything while sending more samples into the potion. Vampirina wishes Jekyll could tell what the potion is supposed to do. After Demi reads wishing wax and toad tonic as some ingredients, Vampirina realizes that they are used in potions that reverse magical transformations. Since Jekyll was trying to stop herself from transforming into a troll all day, Vampirina catches up with Jekyll and wonders if she is making a potion so she won't transform into a troll. Jekyll knows it, but she is embarrassed by her laugh and being a troll, as she makes messes. Jekyll is nervous she won't fit in with the other scientists at her academy, and Vampirina knows the same thing happened to her at her first day of school. She has since learned that even when one has monster quirks, Jekyll shouldn't try to change who she is, as she should be herself. Vampirina concludes that Mad Science is supposed to be messy, making it fun, and Jekyll being a troll is what makes her a one-of-a-kind scientist. Vampirina then mentions different examples about giggles making monsters unique. Jekyll finally accepts that all laughs are monsterrific.

Meanwhile, the potion starts to work, and Demi and Gregoria inform them of such. They tell Jekyll that her adorable troll self knocked the yellow human ingredients into the cauldron, creating Rainbow Slime. Jekyll knows that her laugh helped her be a spookier scientist, as her rainbow reaction is a total original. Gregoria then slips on the slime and crashes into Demi, causing everyone to laugh and Jekyll to turn into a troll again.

Cast[]

Song[]


v - e - d
Media
VampirinaVampirina: Ghoul Girls Rock!Vampirina: Ghoul Girls Rock! Volume 2
Disney Parks
Disney Junior Dance Party!Disney Junior Play and Dance!Disney Junior Dream Factory
Characters
Vampirina HauntleyOxana HauntleyBoris HauntleyNanpireGrandpopGregoriaPoppy PeeplesonBridgetMr. GoreWolfieDemiChef Remy BonesScream GirlsNosferatuEdgar PeeplesonEdna PeeplesonDragos the DancerPhoebe RavensonAlice and Desmond RavensonMary-Margaret MummytonUncle BobPoltergeist PatFrankie BoltFranken Bolt
Episodes
Season One: "Going Batty/Scare B&B" • "The Sleepover/Portrait of a Vampire" • "Vee's Surprise Party/Vee Goes Viral" • "The Plant Predicament/Mummy Mayhem" • "Little Terror/Super Natural" • "Vamping Trip/The Monster Snore" • "Bone Appetit/Woodchuck Woodsies" • "The Little Witch/Hide & Shriek" • "Vampire Weekend/The Bird Who Knew Too Much" • "The Ghoul Girls/Game Night" • "Oldie But a Ghouldie/Beast in Show" • "Critters!/Cuddle Monster" • "Batty Fever/Poetry Day" • "Nanpire the Great/Two Heads Are Better Than One" • "Vee is for Valentine/Scarestitute Teacher" • "Look Who's Scared Now!/Dust Bunnies" • "Vampirina Ballerina/Treasure Haunters" • "Mummy's Day/Dance-lvania" • "Acrobat Boris/The Lemonade Stand" • "Hiccupire/Uncle Bigfoot" • "Fangless/Transylvanian Tea" • "Home Scream Home" • "Countess Vee/Frights Camera Action" • "Hauntleyween/Frankenflower" • "Nanpire and Grandpop the Greats/There's Snow Place Like Home"

Season Two: "Vampire for President/Where's Wolfie?" • "The Woodsie Way/TNN" • "Franken-Wedding/Bat Hair Day" • "Baby Dragon/Gloommates" • "The Ghoul Next Door/Scare B & Vee" • "The Birthday Broom/Vee Takes the Court" • "Scare-itage Day/The Great Egg Scramble" • "Desserter Mystery/Mirror Mirror" • "Beach Night/Gregoria Takes Flight" • "The Big Bite/Ghost Hosts" • "The Boo Boys Are Back/Pixie Problem" • "Face the Music/Fright at the Museum" • "Vamp-iversary/Wolf Boy" • "Bat Got Your Tongue/Haunted Theater" • "Trick or Treaters/Play It Again Vee" • "Jumping Jack-o-Lanterns/Freeze Our Guest" • "The Vamp-Opera/This Haunted House is Closed" • "Dia de los Muertos/As You Wish" • "The Scare Council/Taking Scare of Business" • "The Hauntley Girls/The Not So Haunted House" • "A Gargoyle Carol/Deliver-eeek!" • "The Great Esmeralda/Frog's Breath" • "Oh Brother/The Search for Bigfoot" • "Au Revoir Remy/The School Scare Fair" • "Ghoul Guides Save the Day!"
Season Three: "Weekly Normalness/Vampire's Luck" • "A Key for Vee/Art Galler-eek!" • "A Ghoulish Tour/Training Wings" • "Nosy's Day In/Sincerely, Blobby" • "Double Double Halloween Trouble/The Creepover" • "Phantom of the Auditorium/Memoreek!" • "Weekend with Grandpop!/Haunted House Call" • "The Critter Fair/Mirror Monster" • "Bust Friends/The Invisible Fan" • "Remy's Recipe/Vampire Chaperone" • "Fang Ten!/Science Rocks" • "Aw, Shucks/Family Scareloom" • "Chrysalis Amiss/Bringing Down the House" • "Bat to the Future/Gregoria Gets Down!" • "Vee and the Family Stone/Twin Trouble" • "Bora the Banshee/A Tale of Two Hollows" • "The Fright Before Christmas/Scared Snowman" • "New Century Eve/Bridget The Brave" • "Hauntley Home Movies/Little Drummer Girl" • "The Magic Howl/Edgar the Ghoul Girl" • "April Ghoul's Day/Monster's New Bed" • "Making a Splash/The Spelling Vee" • "The Curious Case of the Giggles/International Treasure" • "Daddy's Little Ghoul/Chef Remy's Green Thumb" • "Home is Where the Hauntleys Are"

Locations
PennsylvaniaScare B&B
Songs
Vampirina Theme SongMe for MeThe Scare B&BPerfect for the PartyVery First DayTransylvanian SurpriseDragos the DancerThe Plant SpellLonely Being KingVampire LullabyDon't Let Them Take Me AwayBeautiful Night For a FlightNot So Scary After AllChef Remy BonesThe Woodchuck Woodsie WayHiding PlacesThe Witch Want I Want to BeLook What I Can Do NowGet Her UnstuckLiving the ScreamFind Your Inner GhoulFun For EveryoneWon't Let You GoWhat a Wonderful DogWhat Could Go WrongScary GoodA Terrorific TeamNo WayNo Matter WhatThe Friendship FestivalOn Ghoulentine's DayMake a Monster ProudNot So Much Fun!Frightfully CleanA Great BallerinaBack Where a Pirate BelongsA Mummy's Day for MamaDancelvania DayI Believe in YouWe've Got it MadeEverybody Gets ScaredAway from it AllYou'll Always Be YouEnjoy the UnexpectedTransylvania, Here We ComeHome Scream HomeThings I Could BeMonster Movie MagicHauntleyweenThe Perfect InventionThe Way a Feast Should GoThere's Snow Place Like HomeI'm With YouWhere's That Werewolf?How Hard Could Being Human Really Be?Don't Judge a Spell Book By its CoverAll a Monster Needs is LovePerfectly ImperfectYou're Dragon Me DownYou Won't Even Know That We're HereHow to Spot a VampireGhostly HostThe Perfect Gift for VeeThe Name of the GameFrightful Family TreeThe Most Fangtastic Finder in the BizThe Gift I Wish For Every YearDouble VeeBeach Night PartyThe Fangtastic Feeling of FlyingCook My Way Into Their HeartsThat's What a True Friend DoesBetter TogetherPutting It TogetherWe're a ConstellationCenter StageTrick or TreatMonsterific MessThe Perfect PumpkinWinter WonderlandThe Vamp-OperaLife is a SongA Monster Lends a Helping ClawDay of the DeadWhen You Wish Upon a CupcakePapa, I'm Proud Of YouHaunteray BayHauntley GirlsHow a House Gets HauntedThe Future Is Up To YouWhat We NeedI'm Never WrongMad For Mad ScienceI Look Up To YouThe Wizard Of WeirdThe toast of All ParisDe=Scare the FairIn The Enchanted ForestI Can Do AnythingWeird and Wonderful YouA Little Bit of Hauntley LuckThis Thrilling Haunted HousePicture PerfectWe'll Be In Your HeartIt Takes TimeNo One Knows Where Nosy GoesThe Blob For The JobDouble HalloweenGet Your Creep OnThe Monster InsideI RememberA Weekend With Ny GrandghoulDemi, We Love YouWelcome to the Critter FairIf I Could Be MeBusting to SayWe're Just Like YouPapa's Monstrous Nature WalksFull Moon TideLike a Scientist DoesSo Funky That It's ScaryThe Greatest Magic of AllWhere's CrawlyScare B&BBetter Left UnseenDance Like YouFangtabulosityThe Party of Your DreamsShriek It OutAbout to Lose My HeadSpooky ClausWhat If?Never Give UpFace Your FearWho We AreOur Best GhoulA Mighty HowlTakes Work to PlayHappy April Ghoul'sThe UnderbedSomeplace NewA Wand That's Totally MeLet Your Monster Self Shine ThroughKeep the Past AliveYour Papa's Here For YouTaking ShapeTotally HumanAll That We Are