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.
The circus has been cancelled because Monsieur Funnybones, the world's shortest clown, has lost his ability to laugh. When the forlorn performer shows up at the Old House disguised as a chimney sweep, Madeline teaches him that being tall is just a state of mind.
The girls are looking forward to a big costume bash at Pepito's house. But a week or so before the festivities they all come down with chicken pox and are quarantined in the Old House. Then, when Dr. Cohn declares that they have recovered just in time for the party, Madeline helps everyone crea...
Lord Cucuface becomes convinced that the girls have musical talent and schedules a Bastille Day performance. But really it is only their victrola - and Chloe - who have the talent, and when Chloe is hospitalized after a pillow fight accident, the girls lose hope. Finally Madeline (with the help...