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I happen to be throwing the biggest, baddest, Halloweeniest bash ever!


When Vanessa learns that Doofenshmirtz has inherited a Drusselsteinian castle right next door to her she seizes the opportunity to throw the biggest Halloween bash ever. The whole town is there, including Phineas and Ferb, who act as the event's party planners and DJs. Meanwhile, Doofenshmirtz enlists Perry to help him find a large, hidden treasure that his Great Aunt has placed somewhere within the castle.

Episode Summary

The story opens at the Flynn-Fletcher House, where Lawrence is dressed in a gorilla costume making a jack o'lantern. Phineas tells Dad that he, Candace and Ferb are off to a Halloween party in a castle where they will work. Linda arrives in a nurse outfit, and Lawrence puts the gorilla head on, mock-scaring Mom in the process.

Meanwhile, Agent P jumps into his lair via a pile of leaves quickly cleared by a leaf blower. In his lair decorated for the holiday, Major Monogram, dressed as Carmen Miranda, informs Perry that he has to work tonight keeping an eye out for Doofenshmirtz and Carl enters in a variation of the outfit. After saying that's what he looks like in the costume, Monogram tells Carl he can have it, and will look into getting another costume.

Vanessa is on the phone with the Major's son, Monty, doing a bit of freelance work at a black-tie party, telling him about the party she is throwing in a castle that her dad inherited via a split screen. After saying she'll dress as a vampire queen, Monty says he'll be dressed as The Scarlet Pimpernel. After hanging up, he tells Agent M that he's alone from there.

At the Doofenshmirtz Evil Incorporated building, Doofenshmirtz gives out candy to trick-or-treaters, including Perry, who is dressed as a ghost. After Perry twists Doof's arm, the doctor says he has no -inator, but inherited a castle from his Great Aunt Henrietta Hawkenschpit, who liked Heinz more than Roger.  Inside that castle is a major treasure, and suggests that Perry join him searching for the treasure on a map with clues.

At the castle, next to the D.E.I. building, Vanessa welcomes guests, including Lacie, who really isn't in a costume, and Candace, who is dressed like Vanessa, as is Stacy, who says she'll change her costume.


End Credits

First verse of Haunted by You.

Running Gags

I know what we're gonna do today


The "Too Young" Line


Ferb's Line

Sings Haunted by You.

What'cha doin'?


Hey, where's Perry?


Oh, there you are, Perry


Perry's entrance to his lair

Perry jumps into a pile of leaves, and the leaves are blown away, leaving no traces of Perry.

Evil Jingle

None, but the jingle can be heard when a group of trick-or-treaters rings Doofenshmirtz's doorbell.

Memorable Quotes

Candace: (dressed as a vampire queen) Vanessa?

Vanessa: Candace!
Candace: Whoops! I guess your party's gonna have two vampire queens! What are the chances, right?
(Stacy enters also wearing an identical costume.)

Stacy: (leaves) I'm gonna go change.

Vanessa: This is a big night for me, my boyfriend's coming. Oh, here he is right now.

(Jeremy, dressed as a Scarlet Pimpernel enters.)
Jeremy: Ooh, a vampire! It's a good thing I have my neck covered.
Vanessa: You're not my boyfriend!
Jeremy: Whoops. Heh heh. Sorry, I thought you were my—
Candace: Jeremy, it's me, Candace!
Jeremy: Ooh, a vampire! It's a good thing I have my—

Candace: Yeah, heard you the first time.

Phineas: Hey, look at you! You're Isabellarella.

Isabella: If I lose a slipper tonight, you know where to find me.
Phineas: Ooh, that reminds me...
Isabella: ("loses" a slipper) Whoops!
Phineas: There's some water on the floor over by the sally port.
(Isabella angrily takes her "lost" slipper out of the punch)
Baljeet: Buford, it is so hot in here! Can I please have some punch?

Isabella: You don't wanna drink that.

Vanessa: Monty should've been here by now. (Another Scarlet Pimpernel approaches her.) Finally. Wait, who are you?

Scarlet Pimpernel 1: I'm the Scarlet Pimpernel.
Scarlet Pimpernel 2: As am I!
Scarlet Pimpernel 3: Same here.
All Scarlet Pimpernels: We are all here!
Vanessa: Ugh!

Stacy: (also dressed as the Scarlet Pimpernel) Hey, what's going—Oh, for crying out loud.

Major Monogram: Monty, is that you?! With the daughter of my sworn enemy?! It can't be!! (Walks up to the Pimpernel next to Vanessa.) Alright, Monty, you've got a lot of explaining to—

Stacy: Oh, hello, Mr. Water and Power Guy.
Major Monogram: I, uh, better check the...uh...thing. Yes. (leaves)
Vanessa: Thanks, Stacy! I owe you!

Stacy: No thanks are necessary for that darned elusive Pimpernel.

Background Information

Production Information

International Premieres

  • October 11, 2013 - Family Channel, Canada


  • The episode title is misspelled as "Druselsteinoween" with one "s".
  • Once again, Isabella is drawn with eyebrows.



  • The Scarlet Pimpernel - A reference from the play, book, and movie is made in the episode multiple times.
  • Carmen Miranda - Was a 1940's Brazilian move star best known for wearing a hat while performing made of fruit.
  • Harry Potter - One of the trick-or-treaters at Doofenshmirtz's apartment is misidentified as a "class dunce with a fake scar."
  • Lady Gaga - Another one of the trick-or-treaters is misidentified as the Princess of Meatland. It's a reference to the performer born Stephanie Germanotta's meat dress from the 2010 MTV Video Music Awards.
  • Angry Birds - A third trick-or-treater is misidentified as "an upset rooster head", which sounds like the general appearance of the Angry Birds characters.
  • The Shining - A pair of twins egress from the elevator akin to those from the Stephen King novel and movie adaptation.
  • Ali Baba Bunny - Doofenshmirtz does Daffy's "I'm rich! I'm wealthy! I'm comfortably well off!" spiel.
  • Windsor Castle - Buford calls Irving "Windsor".
  • Julius Caesar - Candace's "Et Tu?" line to Vanessa comes from the Shakespeare play.
  • Cinderella - This is Isabella's costume. Phineas refers to her as "Isabellarella", and Isabella tries, in vain, to "lose" a glass slipper to get closer to Phineas.
  • Adventure Time - As stated in the Production Information, Vanessa dresses as an vampire queen. Olivia Olson, her voice actress, also voices Marcelline the Vampire Queen on this series.


designates a character that did not appear in this episode


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Animated Productions: Phineas and FerbVideographyTake Two with Phineas and FerbPhineas and Ferb The Movie: Across the 2nd DimensionFeature film

Video Games: Phineas and FerbPhineas and Ferb Ride AgainDisney Channel All Star PartyPhineas and Ferb: Across the 2nd DimensionAgent P Strikes BackPhineas and Ferb: Quest for Cool StuffWhere's My Perry?Disney INFINITY (2.0) (3.0) • Phineas and Ferb: Day of Doofenshmirtz
Albums: Phineas and FerbPhineas and Ferb Holiday FavoritesPhineas and Ferb: Across the 1st and 2nd DimensionsPhineas and Ferb: Star Wars soundtrack

Disney Parks
Agent P's World Showcase Adventure

Entertainment: Phineas and Ferb's Rockin' Rollin' Dance Party
Firework: Celebrate the Magic

Major Characters: Phineas FlynnFerb FletcherCandace FlynnPerryMajor Francis MonogramHeinz DoofenshmirtzLinda FlynnLawrence Fletcher

Secondary Characters: Isabella Garcia-ShapiroBaljeet TjinderBuford Van StommJeremy JohnsonCarl KarlStacy HiranoGinger HiranoMillyKatieHollyAdyson SweetwaterGretchen
Recurring characters: Giant Floating Baby HeadDjango BrownColtraneCharlene DoofenshmirtzVanessa DoofenshmirtzRoger DoofenshmirtzVivian Garcia-ShapiroIrvingJenny BrownSuzy JohnsonDannyBobbi FabulousShermanMeapMitchNormClyde FlynnBetty Jo FlynnPinkyAlbertPeterKlimpaloonTalking ZebraMonty MonogramHildegard JohnsonReginald FletcherWinifred FletcherAloyse von Roddenstein
Minor Characters: JerryKhaka Peu PeuThe RegurgitatorBob WebberPrincess BaldegundeMelissaUnnamed Fireside GirlsAgent EBrobotsDrill SergeantBuck BuckersonTiana WebberJack JohnsonMrs. JohnsonWendyEliza FletcherNicoletteMandyThaddeus and ThorMindyAmandaLucy FletcherAdrian FletcherBeppo BrownDr. HiranoAnnabelle JohnsonSaraBrigitte, Josette, and ColletteMishti PatelLiam McCrackenRodrigoMorgGlenda WilkinsDr. GevaarlijkHeinz Doofenshmirtz's motherBlanca DishonProfessor PoofenplotzLyla LolliberryBalloony
Guest Characters: Santa ClausKim Possible PinocchioBaby BaboonThor OdinsonSpider-ManHulkIron ManRed SkullNick FuryVenomWhiplashMODOK

Season One: "Rollercoaster" • "Candace Loses Her Head" • "The Fast and the Phineas" • "Lawn Gnome Beach Party of Terror" • "The Magnificent Few" • "S'Winter" • "Are You My Mummy?" • "Flop Starz" • "Raging Bully" • "Lights, Candace, Action!" • "Get That Bigfoot Outta My Face!" • "Tree to Get Ready" • "It's About Time!" • "Jerk De Soleil" • "Toy to the World" • "One Good Scare Ought to Do It!" • "A Hard Day's Knight" • "I, Brobot" • "Mom's Birthday" • "Journey to the Center of Candace" • "Run Away Runway" • "I Scream, You Scream" • "It's a Mud, Mud, Mud, Mud World" • "The Ballad of Badbeard" • "Dude, We're Getting the Band Back Together" • "Ready for the Bettys" • "The Flying Fishmonger" • "Phineas and Ferb Get Busted!" • "Greece Lightning" • "Leave the Busting to Us!" • "Crack That Whip" • "The Best Lazy Day Ever" • "Boyfriend From 27,000 B.C." • "Voyage to the Bottom of Buford" • "Put That Putter Away" • "Does This Duckbill Make Me Look Fat?" • "Traffic Cam Caper" • "Bowl-R-Ama Drama" • "The Monster of Phineas-n-Ferbenstein" • "Oil on Candace" • "Unfair Science Fair" • "Unfair Science Fair Redux (Another Story)" • "Out to Launch" • "Got Game?" • "Comet Kermillian" • "Out of Toon" • "Hail Doofania!"

Season Two: "The Lake Nose Monster" • "Interview With a Platypus" • "Tip of the Day" • "Attack of the 50 Foot Sister" • "Backyard Aquarium" • "Day of the Living Gelatin" • "Elementary My Dear Stacy" • "Don't Even Blink" • "Chez Platypus" • "Perry Lays an Egg" • "Gaming the System" • "The Chronicles of Meap" • "Thaddeus and Thor" • "De Plane! De Plane!" • "Let's Take a Quiz" • "At the Car Wash" • "Oh, There You Are, Perry" • "Swiss Family Phineas" • "Phineas and Ferb Musical Cliptastic Countdown" • "Phineas and Ferb's Quantum Boogaloo" • "Hide and Seek" • "That Sinking Feeling" • "The Baljeatles" • "Vanessassary Roughness" • "No More Bunny Business" • "Spa Day" • "Bubble Boys" • "Isabella and the Temple of Sap" • "Cheer Up Candace" • "Fireside Girl Jamboree" • "The Bully Code" • "Finding Mary McGuffin" • "What Do It Do?" • "Atlantis" • "Picture This" • "Nerdy Dancin'" • "I Was a Middle Aged Robot" • "Suddenly Suzy" • "Phineas and Ferb Christmas Vacation!" • "Undercover Carl" • "Hip Hip Parade" • "Just Passing Through" • "Candace's Big Day" • "Invasion of the Ferb Snatchers" • "Ain't No Kiddie Ride" • "Wizard of Odd" • "The Beak" • "Not Phineas and Ferb" • "Phineas and Ferb-Busters!" • "The Lizard Whisperer" • "Robot Rodeo" • "The Secret of Success" • "The Doof Side of the Moon" • "She's the Mayor" • "The Lemonade Stand" • "We Call it Maze" • "Ladies and Gentlemen, Meet Max Modem!" • "Nerds of a Feather" • "Phineas and Ferb Hawaiian Vacation" • "Split Personality" • "Brain Drain" • "Make Play" • "Candace Gets Busted" • "Summer Belongs to You!" • "Rollercoaster: The Musical!"
Season Three: "Run, Candace, Run" • "Last Train to Bustville" • "The Great Indoors" • "Canderemy" • "The Belly of the Beast" • "Moon Farm" • "Phineas' Birthday Clip-O-Rama!" • "Ask a Foolish Question" • "Misperceived Monotreme" • "Candace Disconnected" • "Magic Carpet Ride" • "Bad Hair Day" • "Meatloaf Surprise" • "Tri-Stone Area" • "Doof Dynasty" • "Phineas and Ferb Interrupted" • "A Real Boy" • "Mommy Can You Hear Me?" • "Road Trip" • "Skiddley Whiffers" • "Tour de Ferb" • "My Fair Goalie" • "Perry the Actorpus" • "Bullseye!" • "That's the Spirit" • "The Curse of Candace" • "Escape from Phineas Tower" • "The Remains of the Platypus" • "Ferb Latin" • "Lotsa Latkes" • "A Phineas and Ferb Family Christmas" • "What a Croc!" • "Ferb TV" • "Mom's in the House" • "Minor Monogram" • "Excaliferb" • "Monster from the Id" • "Gi-Ants" • "Agent Doof" • "Phineas and Ferb and the Temple of Juatchadoon" • "Delivery of Destiny" • "Let's Bounce" • "Quietest Day Ever" • "Bully Bromance Break Up" • "Doonkleberry Imperative" • "Buford Confidential" • "Sleepwalk Surprise" • "Sci-Fi Pie Fly" • "Meapless in Seattle" • "The Mom Attractor" • "Cranius Maximus" • "Sipping with the Enemy" • "Tri-State Treasure: Boot of Secrets" • "Doofapus" • "Norm Unleashed" • "When Worlds Collide" • "Road to Danville" • "Where's Perry?" • "Blackout!" • "What'd I Miss?" • "This is Your Backstory"
Season Four: "Fly On the Wall" • "My Sweet Ride" • "For Your Ice Only " • "Happy New Year!" • "Bully Bust" • "Backyard Hodge Podge" • "Der Kinderlumper" • "Just Desserts" • "Bee Day" • "Bee Story" • "Sidetracked" • "Knot My Problem" • "Mind Share" • "Primal Perry" • "La Candace-Cabra" • "Happy Birthday, Isabella" • "Great Balls of Water" • "Where's Pinky?" • "Mission Marvel" • "Thanks But No Thanks" • "Troy Story" • "Love at First Byte" • "One Good Turn" • "Cheers for Fears" • "Just Our Luck" • "Return Policy" • "Imperfect Storm" • "Steampunx" • "It's No Picnic" • "Terrifying Tri-State Trilogy of Terror" • "Druselsteinoween" • "Face Your Fear" • "The Klimpaloon Ultimatum" • "Doof 101" • "Father's Day" • "Operation Crumb Cake" • "Mandace" • "Tales from the Resistance: Back to the 2nd Dimension" • "The Return of the Rogue Rabbit" • "Live and Let Drive" • "Lost in Danville" • "The Inator Method" • "Act Your Age" • "Phineas and Ferb Save Summer" • "Night of the Living Pharmacists" • "Phineas and Ferb: Star Wars" • "Last Day of Summer" • "O.W.C.A. Files"

Locations at or near Danville: DanvilleMr. Slushy FranchiseDoofenshmirtz Evil IncorporatedFlynn-Fletcher HouseAtlantisGoogolplex MallOld Abandoned Amusement Park

Other Locations: AfricaEnglandNew YorkBig BenMarsTokyoLondonChinaIndiaCanadaChileHawaii

Selected Songs
Today is Gonna Be a Great DaySummer Belongs to YouCity of LoveJump Right InLet it Snow, Let it Snow, Let it SnowPerry the Platypus ThemeGitchee Gitchee GooWhere Did We Go Wrong?BustedLittle BrothersWhat'cha Doin?Carpe DiemS.I.M.P. (Squirrels In My Pants)I'm MeRollercoasterThe Ballad of KlimpaloonEvil for Extra CreditBackyard BeachHappy New YearGreat to Be a BabySerious FunCurtain Call/Time Spent Together

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