Pig Won't's secret spy ring disappears.
A nameplate about to be put on a statue of Admiral Hornblast goes missing.
Someone switches Huckle's car with another.
Busytown citizens fall asleep during the day.
Someone has taken all the red roses from Granny Goat's garden.
A spaceman suddenly appears in the Busytown apple orchard.
Mayor Fox mysteriously disappears.
Strange incidents and sounds make Pig Will and Pig Won't think a hungry bat is on the loose.
A gigantic spoon is discovered.
Mysterious party invitations are sent out.
Huckle and friends try to determine who is causing a traffic jam.
Huckle, Lowly and Sally investigate a strange discovery of a big number 10.
Huckle, Sally and Lowly find a huge tooth.
The gang investigates when the newspaper does not show up at the houses.
Lowly and Sally try to figure out why laundry keeps disappearing.
Ginormous sneezes come from Hilda when she gets into Sally.
Huckle and the gang are puzzled when they find chocolate sauce on Lowly's apple car.
Sally, Huckle and Lowly look for the lock that fits the old key they've found.
Huckle, Lowly and Sally investigate when flat tires of Busytown cars happen everywhere.
A lost bag is discovered.
Hilda Hippo thinks there are real fairies in Busytown woods.
Huckle and the gang try to figure out why their pizza delivery is unusually late.
The milk in the store Father Cat runs is sour.
The gang finds numbered papers blowing around the park.
Sgt. Murphy's radio receives a mysterious message.
Huckle and the gang are puzzled by a puddle full of goldfish.
The gang searches for the person who is knocking on doors.
Huckle and his pals help Mayor Fox find the ceremonial key to Busytown.
Huckle and Sally and Lowly try to figure out who would own a tiny piano.
The gang sets out to find out who is painting red spots throughout Busytown-
Potatoes drop from the sky in Busytown.
A giant circle appears in the middle of a cornfield.
Huckle and his pals try to track down a bad driver.
Lowly is convinced there is a monster loose in Busytown Lake.
Huckle and the gang search for a priceless treasure hidden somewhere.
Huckle and the gang search for a priceless treasure hidden somewhere.
A jellybean list made by Sally disappears.
Photographs on a lost camera help Huckle and his pals find the camera's rightful owner.
The children discover pieces of a large metal hand.
The gang tries to find out why Sally's yellow T-shirt has mysteriously turned green.
Gold coins Mr. Fix It found on the beach disappear.
Huckle, Lowly and Sally set out to discover why their mini putt balls are disappearing.
The gang wants to find out why cars are disappearing from a parking space.
Huckle and his pals help Baby Sadie find her lost doll.
A model boat is mysteriously broken.
The gang is determined to find out why coupons for free cookies fail to arrive in the mail.
A strange temperature drop turns Busytown's summer into winter.
The gang searches for the owner of a mysterious sketchbook.
A set of ski tracks runs on either side of a tree.
The kids' sand castle gets trampled overnight.
Huckle wants to find out why a smoke alarm keeps going off but there is no fire.
The gang investigates strange voices in Busytown Museum.
