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The Big Apple Mystery
Episode number: 1
Overview: A giant wooden apple suddenly disappears from the fruit store sign.
The Missing Pickle Car Mystery
Episode number: 2
Overview: The gang searches for Mr. Frumble's pickle car.
The Mystery Wheel
Episode number: 3
Overview: Huckle, Lowly and Sally find a mysterious wheel and search for its owner.
Busytown Blue-Bottoms
Episode number: 4
Overview: Residents of Busytown find fresh paint on their clothes.
The Mystery of the Lost Parrot
Episode number: 5
Overview: Huckle and Lowly reunite a lost parrot with its owner.
The Monster Mystery
Episode number: 6
Overview: Sally is convinced there's a monster loose in Busytown.
The Trouble with Bubbles
Episode number: 7
Overview: Busytown cars start blowing bubbles after a mistake at the gas pumps.
Little Orphan Egg
Episode number: 8
Overview: A lost baby bird is reunited with its family.
The Lighthouse Ghost Mystery
Episode number: 9
Overview: Hilda Hippo thinks she sees a ghost at the lighthouse.
Cornfield Confusion
Episode number: 10
Overview: Pig Won't gets lost in a cornfield.
The Sticky Stuff Mystery
Episode number: 11
Overview: Glue creates a sticky situation in Busytown.
Up, Up and Away
Episode number: 12
Overview: Pig Won't and a hundred helium balloons disappear.
Six Little Muffins
Episode number: 13
Overview: Hilda's fresh-baked muffins mysteriously disappear.
The Crashing Cans Mystery
Episode number: 14
Overview: The gang try to determine why someone is knocking over stacks of cans in Mr. Cat's shop.
The Invisible Cake Snatcher
Episode number: 15
Overview: Huckle, Lowly and Sally's science project vanishes from inside a locked room.
On the Move
Episode number: 16
Overview: Huckle helps Sally track down her missing scooter.
Litterbug Busters
Episode number: 17
Overview: Using clues found in the litter, Huckle hunts down a litterbug.
There Might Be Giants
Episode number: 18
Overview: The gang sets out to prove that Busytown is not being invaded by giant robots.
Where's Junior?
Episode number: 19
Overview: Huckle and his friends search for missing Junior Monkey.
The Secret Club Mystery
Episode number: 20
Overview: Huckle and his pals join a secret club.
The Playground Mystery
Episode number: 21
Overview: Huckle, Lowly and Sally must figure out why playground items keep disappearing.
The Crazy Clock Mix-Up Mystery
Episode number: 22
Overview: The Busytown clocks go crazy.
The Cheese Car Chomp Mystery
Episode number: 23
Overview: Something takes a big bite out of the Mouse family's cheese car.
Where's the Hero?
Episode number: 24
Overview: Huckle and his friends search for the hero who rescued Granny Goat.
The Mystery of the Unbreakable Bread
Episode number: 25
Overview: Huckle, Lowly and Sally are determined to find out why every loaf of bread in Busytown is as hard as concrete.
The Twisty Line Mystery
Episode number: 26
Overview: Twisty road lines create a traffic problem.
Chain of Mysteries
Episode number: 27
Overview: Someone takes drastic measures to stop the noisy squeaks in Busytown.
The Mystery of the Unfinished Painting
Episode number: 28
Overview: Huckle and his friends return an unfinished portrait to the artist who lost it.
The Pretty Park Mystery
Episode number: 29
Overview: Huckle and his friends return an unfinished portrait to the artist who lost it.
The Missing Museum Statue Mystery
Episode number: 30
Overview: A statue made of butter disappears from the Busytown Museum.
The Vanishing Tiara Mystery
Episode number: 31
Overview: A trapeze artist's tiara disappears.
The Postage Stamp Mystery
Episode number: 32
Overview: Huckle and his pals help Mr. Frumble find his prized postage stamp.
The Bank Note Mystery
Episode number: 33
Overview: Lowly and Sally team up to decipher a mysterious bank note's meaning.
The Flying Saucer Mystery
Episode number: 34
Overview: Huckle and his friends find a tiny flying saucer.
The Smudged Letter Mystery
Episode number: 35
Overview: Huckle, Lowly and Sally help Postman Pig deliver a letter with a smudged address.
The Mystery Present
Episode number: 36
Overview: The gang finds a wrapped gift without a name tag.
The Falling Fruit Mystery
Episode number: 37
Overview: A cherry tree mysteriously drops all of its fruit.
The Dragon Hunters
Episode number: 38
Overview: Huckle and his pals search for a dragon on the loose.
The Disappearing Swimming Hole
Episode number: 39
Overview: When they find their favorite swimming hole empty, Huckle, Lowly and Sally set out to find out where the water went.
The Forgotten Fire Hose Mystery
Episode number: 40
Overview: The gang helps the Busytown firefighters find their missing hose.
The Disappearing Home Mystery
Episode number: 41
Overview: Everything in the Raccoon family's house disappears.
The Flipping, Flying, Slipping, Sliding Mystery
Episode number: 42
Overview: Huckle and his pals try to figure out why things made of metal are flying around Busytown.
The Mystery of the Unpopular Pizzeria
Episode number: 43
Overview: When a popular pizzeria closes, the reason for it is a mystery.
The Silly Scarecrow Mystery
Episode number: 44
Overview: Pig Will and Pig Won't believe that a scarecrow is after them.
Huckle, Where's My Apple Car?
Episode number: 45
Overview: Lowly's pals help him find his missing apple car
The Dirty Laundry Mystery
Episode number: 46
Overview: Huckle, Lowly and Sally try to uncover why strange stains are appearing.
The Eight Shoes Mystery
Episode number: 47
Overview: Huckle, Sally and Lowly race to figure out who owns eight shoes.
The Something in the Woods Mystery
Episode number: 48
Overview: A mysterious creature is in the woods.
The Borrowed Book Mystery
Episode number: 49
Overview: Sally, Huckle and Lowly investigate a mysterious smudged signature in a library book
The Mystery of the Missing Mystery Books
Episode number: 50
Overview: A shipment of books goes missing.
The Mystery of the High Jumper
Episode number: 51
Overview: Someone who can jump high puts advertising stickers everywhere.
The Mystery of the Summer Snowman
Episode number: 52
Overview: A snowman appears on a summer day.