S1 • E1
A giant wooden apple on the fruit store sign falls off and no one knows where it went. / When Mr. Frumble's newly painted green Pickle Car mysteriously disappears, Huckle determines he will find it and solve the mystery.
S1 • E2
Huckle, Lowly, and Sally discover a missing wheel by the side of the road. / Several Busytown characters are dismayed to discover blue paint stains on the back of their clothing. Huckle sets out to find the bench in need of a "wet paint" sign.
S1 • E3
Huckle and Lowly try to reunite a lost parrot with its owner. / Sally is convinced there's a monster loose in Busytown.
S1 • E4
Two identical tanker trucks pull into Gramps Gas Station at the same time. Shortly after, Huckle and his pals notice cars spewing bubbles and conking out. / Huckle, Lowly, and Sally find an abandoned egg in the park. They search for a nest that has similar-looking eggs.
S1 • E5
Despite Hilda Hippo's photo of a ghost in the mansion by the lighthouse, Huckle sets out to prove there are no such thing as ghosts. / A sign directing customers to a sweet corn stand comes loose and swings upside down so the arrow points the opposite way.
S1 • E6
Busytown pedestrians are getting their feet stuck in purple goo. In solving the mystery, Huckle notices these sticky puddles always appear under toothpaste billboards. / The kids help decorate used cars for Jack's big sale. Suddenly, all the helium balloon go missing, and so does Pig Won't.
S1 • E7
Hilda invites her friends over for muffins, but someone keeps taking them, one by one. Huckle finds clues that reveal the culprit is getting in and out of the house without touching a door or the floor. / When Huckle and Sally's dad finds a stack of cans in his store toppled again and again each morning, Huckle determines to solve the mystery by figuring out who is toppling them and how.
S1 • E8
When the cake Huckle, Lowly, and Sally plan on using in their Science Fair exhibit mysteriously disappears from a locked room, it begins to look like the culprit was invisible and could walk through walls. / Sally's scooter vanishes. Knowing that the kickstand sometimes fails, Huckle concludes that it must have rolled down the sloped street.
S1 • E9
It appears a litterbug is dumping garbage on Mulberry Road. Huckle decides to solve the mystery of who it is by looking for clues about the culprit in the discarded trash. / Giant footprints, squashed car tops, and broken tree tops have the Pig Brothers convinced giant robots from outer space are the cause.
S1 • E10
When no one can find where Junior Monkey went, Huckle, Lowly, and Sally are saddled with his baby sister while they try to solve the mystery. / Pig Will and Pig Won't invite their friends to become members of their secret club.
S1 • E11
When home plate mysteriously disappears, followed by a bunch of other playground items, the kids are convinced it's the work of some mysterious playground grabber. / En route to Mr. Fix-It's shop to have his broken portable video game repaired, Huckle, along with Lowly and Sally, are surprised when the clocks around them suddenly go crazy causing all kinds of confusion.
S1 • E12
When the mouse family discover someone, or something, has taken a big bite out of their cheese car, Huckle promises to figure out who is putting the bite on the mouse family. / The kids witness someone rescuing Granny Goat from the train tracks. After the train passes, the hero is gone. Granny Goat didn't even get a chance to thank him.
S1 • E13
For some strange unknown reason, every loaf of bread in Busytown is hard as cement. / On the outskirts of Busytown, the center line on the road suddenly becomes twisty. It confuses drivers, causing them to veer off the road.
S1 • E14
Someone put locks and chains on the teeter-totter, the lift bridge, and the sausage-truck. Huckle and his pals figure out the one thing they have in common is a very noisy squeak. / On a windy day, the kids find an unfinished portrait. Using clues about the sea admiral in the picture, they try and track him down to ask where they can find the artist.
S1 • E15
Topiary shrubs resembling Busytown citizens, mysteriously appear in the park. Huckle and the gang find some clues that lead them to the barbershop. / Vincent Van Goat is Busytown's most famous artist known for making statues out of various food items. When his latest food sculpture mysteriously disappears, Huckle, Lowly, and Sally set out to solve the mystery.
S1 • E16
When Belinda Bear, a circus trapeze artist, loses her good luck tiara, it's up to Huckle, Lowly, and Sally to find it. / Mr. Frumble has lost a prized butterfly stamp from his collection. Thinking that he may have accidentally mailed it away on a birthday card, Huckle and his team chase the envelope all the way to the post office.
S1 • E17
When Huckle and his pals find a mysterious note at the Busytown Bank, Pig Will and Pig Won't think its from bank robbers. Instead of warning their friend Bruno, the bank security guard, as the Pigs suggest, Huckle leads the others off to solve the mystery. / Goldbug always shows up to give a live news report about Huckle's mysteries. So how come he's not there when the kids are buzzed by a tiny flying saucer?
S1 • E18
Huckle and his friends find a present with wrapping paper showing a baby theme. Needing more clues, but reluctant to open someone else's gift, Huckle gets it x-rayed to see what's inside. / Postman Pig get caught in a water fight between Huckle and his pals, and they accidentally smudge the address on a letter he has to deliver. Now he has no idea to whom it's supposed to go.
S1 • E19
One of the cherry trees in Patrick Pig's orchard has mysteriously dropped all its fruit. / When Pig Will and Pig Won't claim there's a fire-breathing dragon marauding the streets of Busytown, Huckle and his friends want photographic evidence.
S1 • E20
When all the water in the gang's swimming hole suddenly disappears overnight, Huckle declares he's going to solve the mystery by figuring out what happened to the water. / Hearing a report of a giant snake lurking in Busytown Park, Huckle, Lowly, and Sally rush to alert the Busytown Fire Department who spring into action only to find they can't go anywhere until they find a missing hose.
S1 • E21
When the Raccoon family return home to find their entire house empty, Huckle, Lowly, and Sally set out to solve the Disappearing Home Mystery. / Huckle, and his pals strive to get to the bottom of why things made of metal are flipping and flying around Busytown.
S1 • E22
Everyone's favorite pizzeria is closing due to a sudden lack of business. Huckle and his pals discover that everyone likes pizza, but their phone calls for home delivery are being misdirected to the home of the grumpiest guy in Busytown. / When Pig Will and Pig Won't find corn straw on their bedroom floor, they become convinced a scarecrow is out to get them for calling it silly looking.
S1 • E23
Parking his famous apple car beside Granny Good-Pig's Applesauce stand, Lowly joins Huckle and Sally in the orchard, picking apples for Granny so she can practice her fast as lighting peeling skills. / When Mrs. Murphy discovers mysterious drips on the newly washed clothes hanging on her line, Huckle, Lowly, and Sally come to the rescue, determined to help Sergeant Murphy shed his stain covered uniforms by solving the mystery.
S1 • E24
When Shoemaker Sam come across a bag containing eight shoes to be repaired and an urgent unsigned note to return them in time for "the concert tonight," Huckle, Lowly, and Sally set out to find the owners and solve the case. / When Huckle, Lowly, and Sally go camping, they encounter a strange stumbling, moaning in the woods. Things get even spookier when they go to report it to Ranger Wendy only to discover she's mysteriously disappeared right in the middle of her wallpapering job.
S1 • E25
When Sally needs a specific book for a school report on trees, she finds that it is overdue at the Busytown Library and the Librarian can't read who took the book out because of a mysterious green drip covering the name. / The Busytown Bookshop is missing a new delivery of "Molly Mystery" books. Huckle and his friends search unsuccessfully for the box marked with double "M"s.
S1 • E26
Someone who can jump as high as a house is putting advertising stickers on everything, much to the annoyance of Busytown residents. / When a snowman appears in Busytown on a hot summer day, Huckle and his pals want to find out why he's not melting.
S1 • E39
Mayor Fox has misplaced the giant key to the city that he's supposed to be presenting to a visiting astronaut. Huckle and his pals try to figure out where he set it down. / A couple of Busytown residents are confounded by mysterious knocking at their doors. Huckle and his mystery-solving team attempt to find out who it is, but they're eluded at every turn.
Goldbug
Pig Will
Huckle
Lowly
Sally
Pig Won't
Additional Voices
Additional Voices
Additional Voices
Additional Voices