Mother Cat gets a birthday present.

Patrick Pig learns how to speak for the first time .

Mr. Gronkle is introduced.

A bread in Able Baker Charlie's bakery repeatedly says "Mama".

Couscous catches Peppy the Gangster and his Dirty Rats who intend to steal the Jewel-of-Jewels.

The Cat Family goes fishing and returns with fish of different sizes.

Smoky and his Firefighters are introduced and their firefighting career.

A mystery takes place in Mexico.

And a big catch is received.

Mr. Raccoon has a bad day

Mario is introduced and his career as operating gondoliers in Venice.

Hilda babysits.

Huckle forgets a shopping list.

Sneef and Sniff succeed in catching the Royal Jewels.

The Cat family goes camping.

When Mr. Frumble crashes his car he steals the bulldozer from Roger Rhino, a taxi and the airplane from Rudolph Von Flugel.

Ernst and Heidi from the Swiss alps are introduced.

Billy Dog has a bad day.

A big snowstorm causes havoc in Busytown.

Professor Dig is introduced with his own Egyptian mummy.

A treasure hunt takes place in Busytown.

Bananas Gorilla steals a batch of bananas.

Another mystery takes place in Rome.

An accident occurs.

Wolfgang, Benny, Harry and Lowly try to fly to the moon.

Pip Pip goes to London to find the Queen's ring, and experiences many problems.

Strange floating bananas appear.

Hat Pie, a new food, is made.

Hans, a plumber working at the Dutch Windmills experiences a leak in a dyke.

And Hilda has a tea party.

Huckle has his tonsils removed.

Cucumber is really nervous about photographing lions.

The class goes on a picnic.

Sergeant Murphy gets his first day off.

Schmudge a chimney Sweeper in Germany is introduced.

Hilda takes a train ride.

Busytown celebrates a regatta race.

Schtoompah wreaks havoc when he blows his tuba too hard.

A Soap box race takes place in Busytown.

Huckle and Lowly become news reporters.

Couscous captures Peppy and his Dirty Rats in Gibraltar.

Smoky, Sparkey and Nozzle get a firefighters ball.

The Scouts go on a field trip.

Madame Dog's pies get stolen.

The Cat Family cleans out their garage.

Captain Willy is put ashore by pirates and attempts to get his boat back, as well as catch them.

Strange flying noodles are featured.

Huckle and Lowly go sailing on a raft that they built.

Sneef captures the culprit who stole the Queen of England's crown.

Hilda holds auditions for actors to star in her play.

A mystery involving a steamboat takes place.

New waiters come in.

Billy Dog is moving away.

Sneef and Sniff save a Russian mystery.

Mr. Frumble gets his first job.

The hospital hosts a bake sale.

Groceries are stolen from the supermarket.

Bananas Gorilla gets in more big trouble having stolen more bananas.

Sergeant Murphy gets a deputy.

Couscous catches Pepe and his Dirty Rats by trapping them in an Egyptian pyramid that they are searching for treasure in.

A new friend for Huckle arrives on his street.

Sally Cat starts kindergarten.

Cucumber manages to stop a runaway boxcar that is carrying a wedding cake in the Canadian Rockies.

A big storm occurs in Busytown.

Bananas Gorilla does not get a chance for bananas.

Sneef and Sniff solve an Indian mystery.

Sally Cat goes on her first trip.

The Busytown Grand Hotel is introduced.

Couscous succeed another mystery taking place on a boat on the Nile River.

The Cat Family goes skiing.

Lowly breaks his one leg and has to survive with being unable to use it.

Cucumber saves a Machu Pichu mystery where all the costumes for a parade are stolen.

Huckle and Lowly pet-sit Penelope Parakeet.

Mother cat gets a job for newspaper delivering.

Cucumber solves another mystery in Rio.

A Donut Raffle takes place in Busytown.

Knights and a bucketman are a major occurrence in Busytown.

The life of cave pigs is featured.

Billy Dog gets his first pair of glasses.

Cordelia debuts.

Lowly Worm takes part in a circus.

A big dare takes place.

Oliver gets problems with his sandwich.

Pig Will becomes Pig Won't.

Two birthday parties take place in Busytown.

Martha reads her first book.

Someone gets locked out.

Father Cat does a new job.

The story of America being discovered is featured.

Mr. Grankle's friends are introduced.

Denys go to camp.

Peasant Pig gets his own gifts.

Little Fixit, the sister of Mr. and Mrs. Fixit is introduced.

A school dance takes place.

The story of the Greek Olympics is featured.

Hilda runs for president.

Mr. Frumble's twin brother is introduced.

The Viking pigs are introduced.

Miss Honey and Bruno Bear are getting married.

A tough test takes place.

The story of the discovery of the first pyramid is featured.

Billy's mother goes on a date.

One of Busytown's residents gets an award for being the inventor of the year.

Macaroni Polo is introduced.

Lone Wolfe is at a lighthouse.

A big riddle race takes place in Busytown starting at the Fire station (with the riddle "When things get really hot, we'll bring you some water") and ending at the Observatory (with the riddle "When it gets dark, look up and watch the show").

The story of the first balloon (a.k.a. Montgolfier) is featured.

Billy Dog loses a meteorite from the observatory and tries to find and return it.

Wolfgang, Benny and Harry open a big amusement park, but having trouble in the process.

The story of the first bridge is featured (caused by a toppling tower that lands on the river).

The class has to take photos of their families, but experiencing many problems and Huckle finally succeeds in taking the best picture.

Sally's book goes missing.

P.J. Pig does his best.

Vanderbuilt gets new shoes.

A new gentleman comes.

Someone paints the Sistine Chapel.

Dennis has his best day.

Mr. Fixit builds a time machine.

Cavemen create a shelter.

P.S. Pig gets a new friend.

Mr. Fixit causes havoc with his new magnet machine that gets out of control and attracts anything made of metal.

Sniff and Sneef solve a voice problem at a European Opera.

An eventful day occurs in the lives of Lowly, Huckle, and Father Cat.

Peter visits.

The story of the first skis takes place.

Dennis gets stage fright.

Peng gets a signal.

Mr. Frumble has his own birthday party.

Bananas Gorilla acts as a magician.

The story of the first horseless carriage is featured.

Hilda acts as a magician.

The story of Daylight Saving Time is featured.

Eager Beaver makes a clever game.

Mr. Frumble has his own car wash for his Pickle Car.

Stanley does some of the best photographing.

One gets lost in the swamp.

Mr. Fixit invents a submarine and Lowly and Huckle give it a test ride.

Little Cahuchu discovers a tree with magical bouncing sap.

Mr. Bean opens a drive-in restaurant.

Abe and Babe get a Christmas lesson.

Sally Cat gets her Christmas Dream.

A big Christmas present comes to Busytown.

The Cat family goes on a big car trip.

Earnest introduces his dish you can eat.

Cousin Ross is introduced.

Scotty operates a gas station.

Cucumber succeeds a mystery when Niagara Falls stops flowing and it is blocked by Beaver Sweet Tooth's gang.

One helper gets another helper.

When there is a misprint in The Bugle, the townspeople think that the sun will disappear for 360 years.

Toula and her father catch a gold necklace in their net

Huckle, Lowly and Sprout participate in a pumpkin contest.

Mr. Fixit invents a mole machine.

Dennis gets a royal game.

Progress takes place.

Bananas Gorilla starts having good luck after getting some bananas.

A drive-through theater opens.

There is a school recital.

Piggy delivers mail.

Huckle and Hilda become king and queen.

Mr. Gronkle stays with the Cat family during winter, but freezes in the ice.

Leo-Pardo smiles for the first time.

Flowers are blooming all over Busytown.

The story of the first valentine is featured, and one wants to be their own valentine.

A family moves into Busytown.

The story of the first Halloween is told.

Sally learns how to count.

Mr. Gronkle moves to the countryside.

A message in a bottle appears.

Huckle gets some bird friends.

A sleepover takes place.

The Easter Bunny comes to Busytown.