Madeline, the girls, and Pepito prepare a disastrous meal for Lord Cucuface, who immediately enrolls them for cooking lessons at the famed Cordon Bleu. After various mishaps, the children finally get the hang of French cuisine, but Madeline fails to receive her diploma because she has given her creation to the hungry. In the end, Miss Clavel helps Madeline realize that the satisfaction of helping someone is more rewarding than any blue ribbon could ever be.

The Old House, sorely in need of repair, is condemned and the girls are forced to move to a small apartment where their snooty neighbors hate kids and dogs. But just before the wrecking ball destroys their beloved abode, Madeline enlists the aid of the ladies of the Historical Society, who help get the Old House renovated to perfection.

The girls and Pepito visit Pepito's relatives' hacienda in Spain and encounter Pepito's cousins who are naughty and mischievous 'bad hats', the way Pepito used to be (only worse!)

Madeline, Pepito and the girls visit Miss Clavel's aunt and nephew in their Alpine chalet.

While on holiday in New York, the girls and Pepito attend a Yankee game, and Madeline catches the first home run ball of the season.

Even though she outperforms the competition, Genevieve is disqualified from a dog show because she is not a purebred. But after she rescues the Mayor's dog, the judges change their tune.

At the Old House - and all over the neighborhood - people's hats, gloves and scarves are missing. Madeline and Pepito work with Detective Moreau to find the perpetrators, then finally discover that the "thieves" are some altruistic magpies who are distributing the warm clothes to the homeless in the park.

Just in time for Easter, Madeline updates the old hat belonging to Bon Bon, the milk horse. But then an enormous gust of wind sends the hat flying across town, into the shop of a struggling designer, who attempts to market it in time for Easter.

The girls find a homesick parrot who repeats the same street names over and over.

Madeline is 'discovered' by a Hollywood director and is transported to California for her motion picture debut with her idol, Sugar Dimples.

Madeline's country cousin Andre comes to town. Everyone thinks he's nothing more than a bumpkin with phenomenal gardening skills until, with Madeline's encouragement, he saves the day at the big soccer match.

After being evicted from the opera for barking along with her favorite arias, Genevieve is dog napped by an impresario who sets her up at a dinner theatre. When Madeline finally catches up with her talented canine, Genevieve, now a star is reluctant to go home because she is still embarrassed about the incident at the opera. It is up to Madeline to convince Genevieve how much she is missed at the Old House.

The girls get a chance to perform with a famed ballet master who thinks Madeline is too small to succeed. Madeline's insecurity (and Pepito's teasing) keeps getting in the way of her performance until she is given a pep talk - and a pair of toe shoes - by an accomplished prima ballerina, who convinces Madeline that hard work and courage will help her excel.

Madeline paints a magnificent picture and accidentally leaves it at the Louvre, where it is mistaken for a masterpiece and hung next to the Mona Lisa, upstaging DaVinci's creation. Madeline tries to get the painting back, but one believes that she is the anonymous artist. In the end she finds she must use her feisty individuality to prove herself to the authorities.

When Madeline and the girls visit a toy factory, Madeline is accidentally boxed as a "doll" and sold to a handicapped girl. The ailing child considers Madeline her only friend and is devastated when Madeline reveals her true identity and has to go home. But things turn around the next day when the little girl discovers she now has twelve real live friends.

Lord Cucuface takes the girls and Pepito on a yacht trip, and excludes the girls when he teaches Pepito sailing techniques.

It's Madeline's birthday & Pepito & his father take her to the zoo while Miss Clavel & the girls get the house ready for a surprise birthday party.

The circus has been cancelled because Monsieur Funnybones, the world's shortest clown, has lost his ability to laugh.

The girls are looking forward to a big costume bash at Pepito's house. But a week before the festivities they all come down with chicken pox and are quarantined in the Old House.

Lord Cucuface becomes convinced that the girls have musical talent and schedules a Bastille Day performance.

Madeline convinces the young Prince of Monaco to remove his crown so he can spend an afternoon as an ordinary boy.

Madeline, Pepito and the girls take the famed Orient Express to Istanbul to compete in the International Spelling Bee.

A paleontologist comes to the Old House after Genevieve digs up a huge bone in the garden, which turns out to be a fossilized stegosaurus hip bone.

Pepito becomes frustrated when an old lamp from the Embassy attic fails to produce a Genie, and he throws the lamp in the trash.

The newspaper sponsors a treasure hunt leading to a chest full of money. The clues lead the group to famous Paris landmarks.