Fairytale Crossover: The Big Bad Balloony

 is the episode of BFB: London Powers that features a crossover with the characters from BFB: Fairytale Adventures!. It was released on May 6, 2024.

Plot/Summary:
Robot Flower tells the fairytale of a balloon trying to steal a marker from his three little objects.

Characters:

 * 8-Ball
 * Balloony / The Big Bad Balloony
 * Barf Bag
 * Basketball
 * Bell
 * Black Hole
 * Blocky
 * Bomby
 * Book
 * Bottle
 * Bracelety
 * Bubble
 * Cake
 * Clock
 * Cloudy
 * Coiny
 * David
 * Donut
 * Dora
 * Eggy
 * Eraser
 * Fanny
 * Firey
 * Firey Jr.
 * Flower
 * Foldy
 * Fries
 * Gaty
 * Gelatin
 * Golf Ball
 * Grassy
 * Leafy
 * Lightning
 * Liy
 * Lollipop
 * Loser
 * Marker
 * Match
 * Naily
 * Needle
 * Nickel
 * Pen
 * Pencil
 * Pie
 * Pillow
 * Pin
 * Price Tag
 * Profily
 * Puffball
 * Remote
 * Robot Flower / Robot Flower the Robot Fairy
 * Roboty
 * Rocky
 * Ruby
 * Saw
 * Snowball
 * Spongy
 * Stapy
 * Taco
 * Teardrop
 * Tennis Ball
 * Tree
 * TV
 * Winner
 * Woody
 * Yellow Face
 * SparkleHeart
 * Ella Slipper
 * Wolfie Hood
 * Nosy Fairest
 * Oceana Flounder
 * Goldie Porridge
 * Rosalie Witch

References:

 * /References

Transcript:

 * /Transcript

Trivia:

 * The characters use their fairytale forms in this episode.
 * This episode was originally just going to be titled "Big Bad Balloony," but later on, the word "The" was added to the title.
 * This episode has multiple similarities with "Lollinocchio." Both episodes are narrated by Robot Flower as a fairy and parody a classic fairy tale. Additionally, they both open with the same music, and have the same title card background.
 * The synopsis of this episode indirectly references the book The Three Little Objects.
 * SparkleHeart is seen whistling in this episode.
 * Rubber Spatula breaks the fourth wall by scolding at Robot Flower the Robot Fairy and blaming her fairy tale for the destruction of his house.
 * Balloony cries in this episode.
 * This episode was originally going to air on UK and Ireland on April 29, 2024, but it was pulled and replaced with a rerun of "The Steampunk Mission."
 * King Alador doesn't appear in this episode.