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The Mystery of the Mumbling Mummy
Episode number: 1
Overview: The gang investigates strange voices in Busytown Museum.
The False Alarm Mystery
Episode number: 2
Overview: Huckle wants to find out why a smoke alarm keeps going off but there is no fire.
The Sandcastle Squasher
Episode number: 3
Overview: The kids' sand castle gets trampled overnight.
The Strange Ski Tracks Mystery
Episode number: 4
Overview: A set of ski tracks runs on either side of a tree.
The Mislaid Sketchbook Mystery
Episode number: 5
Overview: The gang searches for the owner of a mysterious sketchbook.
The Hot and Cold Mystery
Episode number: 6
Overview: A strange temperature drop turns Busytown's summer into winter.
The Missing Cookie Coupon Mystery
Episode number: 7
Overview: The gang is determined to find out why coupons for free cookies fail to arrive in the mail.
The Mystery of the Broken Boat
Episode number: 8
Overview: A model boat is mysteriously broken.
The Disappearing Dolly Mystery
Episode number: 9
Overview: Huckle and his pals help Baby Sadie find her lost doll.
The Vanishing Vehicle Mystery
Episode number: 10
Overview: The gang wants to find out why cars are disappearing from a parking space.
The “Now You See It, Now You Don't” Mystery
Episode number: 11
Overview: Huckle, Lowly and Sally set out to discover why their mini putt balls are disappearing.
The Mystery of the Missing Pirate Gold
Episode number: 12
Overview: Gold coins Mr. Fix It found on the beach disappear.
The Mysterious Color-Changing T-Shirt
Episode number: 13
Overview: The gang tries to find out why Sally's yellow T-shirt has mysteriously turned green.
The Metal Finger Mystery
Episode number: 14
Overview: The children discover pieces of a large metal hand.
Mystery of the Lost Camera
Episode number: 15
Overview: Photographs on a lost camera help Huckle and his pals find the camera's rightful owner.
The Jellybean List Mystery
Episode number: 16
Overview: A jellybean list made by Sally disappears.
The Vanishing Hopscotch Mystery
Episode number: 17
Overview: Huckle and the gang search for a priceless treasure hidden somewhere.
The Hidden Treasure Mystery
Episode number: 18
Overview: Huckle and the gang search for a priceless treasure hidden somewhere.
The Busytown Lake Monster Mystery
Episode number: 19
Overview: Lowly is convinced there is a monster loose in Busytown Lake.
The Bad Driver Mystery
Episode number: 20
Overview: Huckle and his pals try to track down a bad driver.
The Flattened Field Mystery
Episode number: 21
Overview: A giant circle appears in the middle of a cornfield.
The Flying Potatoes Mystery
Episode number: 22
Overview: Potatoes drop from the sky in Busytown.
The Red Spot Painter Mystery
Episode number: 23
Overview: The gang sets out to find out who is painting red spots throughout Busytown-
The Teeny Weeny Piano Mystery
Episode number: 24
Overview: Huckle and Sally and Lowly try to figure out who would own a tiny piano.
The Lost Key Mystery
Episode number: 25
Overview: Huckle and his pals help Mayor Fox find the ceremonial key to Busytown.
The Door Knocker Mystery
Episode number: 26
Overview: The gang searches for the person who is knocking on doors.
The Totally Fishy Mystery
Episode number: 27
Overview: Huckle and the gang are puzzled by a puddle full of goldfish.
The Radio Message Mystery
Episode number: 28
Overview: Sgt. Murphy's radio receives a mysterious message.
The Numbered Papers Mystery
Episode number: 29
Overview: The gang finds numbered papers blowing around the park.
The Sour Milk Mystery
Episode number: 30
Overview: The milk in the store Father Cat runs is sour.
The Delayed Delivery Mystery
Episode number: 31
Overview: Huckle and the gang try to figure out why their pizza delivery is unusually late.
The Busytown Fairies Mystery
Episode number: 32
Overview: Hilda Hippo thinks there are real fairies in Busytown woods.
The Mystery of the Lost Bag
Episode number: 33
Overview: A lost bag is discovered.
The Flat Tire Mystery
Episode number: 34
Overview: Huckle, Lowly and Sally investigate when flat tires of Busytown cars happen everywhere.
Huckle Unlocks a Mystery
Episode number: 35
Overview: Sally, Huckle and Lowly look for the lock that fits the old key they've found.
The Messy Car Mystery
Episode number: 36
Overview: Huckle and the gang are puzzled when they find chocolate sauce on Lowly's apple car.
The Achoo Mystery
Episode number: 37
Overview: Ginormous sneezes come from Hilda when she gets into Sally.
The Missing Laundry Mystery
Episode number: 38
Overview: Lowly and Sally try to figure out why laundry keeps disappearing.
The No News Today Mystery
Episode number: 39
Overview: The gang investigates when the newspaper does not show up at the houses.
The Big Tooth Mystery
Episode number: 40
Overview: Huckle, Sally and Lowly find a huge tooth.
The Big 10 Mystery
Episode number: 41
Overview: Huckle, Lowly and Sally investigate a strange discovery of a big number 10.
The Whistle Blower Mystery
Episode number: 42
Overview: Huckle and friends try to determine who is causing a traffic jam.
The Mystery Invitation
Episode number: 43
Overview: Mysterious party invitations are sent out.
A Spoon Full of Mystery
Episode number: 44
Overview: A gigantic spoon is discovered.
The Whoop Whoop Whoop Mystery
Episode number: 45
Overview: Strange incidents and sounds make Pig Will and Pig Won't think a hungry bat is on the loose.
The Missing Mayor Mystery
Episode number: 46
Overview: Mayor Fox mysteriously disappears.
The Apple Orchard Spaceman Mystery
Episode number: 47
Overview: A spaceman suddenly appears in the Busytown apple orchard.
The Pick and Run Mystery
Episode number: 48
Overview: Someone has taken all the red roses from Granny Goat's garden.
The Sleepytown Mystery
Episode number: 49
Overview: Busytown citizens fall asleep during the day.
The Mystery of the Switched Cars
Episode number: 50
Overview: Someone switches Huckle's car with another.
The Admiral Hornblast's Nameplate Mystery
Episode number: 51
Overview: A nameplate about to be put on a statue of Admiral Hornblast goes missing.
The Secret Spy Ring Mystery
Episode number: 52
Overview: Pig Won't's secret spy ring disappears.