La collection de boutons

When Nico teases Carl by saying that bikes are for babies, Carl decides to prove him wrong.

Carl and his friends from Veloursville are eager to build a tree house, but Carl has trouble working as part of a team.

Carl realizes that his favorite scratch-off sticker, the one with the pickle, has lost its smell. He absolutely must find that smell again!

Carl notices that his baby blanket has a hole in it! What happened?

When Carl forgets his bottle cap collection at his father's house, he has to find a way to get through the night without it.

Carl's bouncing balls have escaped, and they're bouncing all over the neighborhood!

When Lotta participates in a music creation competition, the noise on stage becomes too loud and she has to move away.

When Carl's stuffed animal collection starts to take over his room, he calls on his friends to help him get organized.

Nico is tired of being confused with her twin sister, Roquette. It's up to the Detail Detectives to observe what makes the twins unique.

Carl tests the limits of honesty when he receives a universal screwdriver for his birthday.

When a storm creates a hole in the path leading to his house, Carl wants it fixed—until he discovers that his friends have turned it into something magical.

Carl gets upset when Nico breaks the rules of their Monday game and makes a dryer lint monster instead.

Carl is throwing a sleepover for the Super Blue Moon, and everything has to go according to his plan.

Forêt can't wait to try everything at the Veloursville Friends' picnic, but his enthusiasm gets him into trouble when he refuses to wait his turn.

Carl discovers Sheldon's fear.