Être heureux tout seul... Ça se peut?

Sam searches the house for possible holes in the walls to see if he can find any clues to what is hiding there. Edgar doesn't like that Sam continues his research.

Isabelle has news for Sam: he might be part of a hockey team. Edgar panics when he learns that Sam will be gone ten days for training camp. Meanwhile, Alice asks Lili to find her friend in the walls.

Alice arrives at Mrs. Kelleur's house, pretending to sell candy. To give her the opportunity to inspect the premises, Sam calls Ms. Kelleur from his home and tries to keep her on the phone.

Pretexting a lack of water at home, Sam manages to break into Mrs. Kelleur's house. He asks her to refill several water bottles while he goes to lift the frame of the black forest.

Sam and Alice know that we shouldn't take things that don't belong to us, but Gaël has a little less principles. Challenged by Sam, it is he who goes to collect the ivory box from Mrs. Kelleur.

Sam's gone to his hockey camp and Alice has to protect Edgar, because Madame Kelleur is on the prowl.

It is an overjoyed Edgar who finds his friend Farfouille. Sam and Alice then understand that Farfouille is a ghost and that Alice sees him! For his part, Farfouille has forgotten a good part of 'his life' because of Ms. Kelleur's spell.

In order to analyze Farfouille's song, Alice decided to write it. Whimsical as always, she took a different colour for each first letter of a sentence.

Sam removes a blank piece of paper from Aunt Eleanor Chicotte's portrait! Mrs. Kelleur realizes that her ivory box is missing.

Sam's brother Laurent has a stomach ache and it's also time to finalize the preparations for their father's party. Sam thinks that Laurent is not really sick but rather lazy. To his surprise, Laurent is taken to the hospital to have an operation for appendicitis. Worry and guilt are the feelings felt in this episode. …

Laurent is back from the hospital. Sam and Alice prepare a small party for his return. Sam is worried about the change in his brother's behavior. The Chicotte also take the opportunity to finally celebrate François' birthday. However, Mrs. Kelleur is planning a secret capture while Alice and Sam discover a mysterious place…

In this episode, Sam and Alice finally get a chance to explore the mysterious room behind the fireplace. They discover little hidden treasures. In order to attend a murder mystery party, Cricri is looking for accessories for her costume. Mrs. Kelleur is always on the lookout for ghosts, will she succeed in reaching her ultimate goal. …

Laurent is invited to go camping without parental supervision. His brother, Sam, overhears the conversation. Sam asks Laurent to do his chores in exchange for his silence. Sam is then trapped in the secret room and unbeknownst to him, he learns that this room is also the home of Edgar and Farfouille. This is the first little squabble…

Mrs. Kelleur wants to make both ghosts disappear. She is confident that her ghost problem will finally be solved. Laurent helps Gael with his math homework while Alice and Sam try to decipher the Morse code obtained in the secret room. Farfouille is feeling dizzy. Sam is convinced that Mrs. Kelleur is the culprit for his friend's…

Sad day, the fish Poifident died. The friends are saddened by the loss of their pet. To honor him, they prepare a farewell party while trying to find the reasons for his death. Lili comes to be babysat by Cricri at the Chicotte's and decorates a small matchbox to put the remains in.Alice and Sam have made their farewell speeches…

Gael's father asks Laurent to be a model. He wants to make some changes in order to be more fashionable. Edgar questions his ghostly appearance. Despite the transformations done by Cri-cri, Laurent and Edgar realize that they are much better off looking natural!

Alice continues her investigation and Farfouille tries to distract her by telling lies to get her attention. When he is trapped, Lili, who is being cared for by Mrs. Kelleur at the Chicotte's, comes to his aid with the complicity of Alice. During a chase to free Farfouille, Mrs. Kelleur fell face first on the floor and broke a…

Mrs. Kelleur's tooth from the previous episode is transformed into a stone tooth. Sam and Alice try to discover the meaning of this transformation. Meanwhile, Gael asks Sam to help him with his math so he can pass his exam. The help requested is to cheat and Sam is really not comfortable with this request. With the help of a…

Farfouille considers moving to Alice's house because he finds that Mrs. Kelleur is too often at the Chicotte's. Unfortunately, he gives different versions of his desire for the choice of his accommodation. Mrs. Kelleur is also looking for her tooth and she threatens Alice with a new spell.

Laurent receives the photos he made as a model and is devastated when he sees the results. He is reluctant to present his mother's sculptures at the craft fair at his school for fear his friends will laugh at him. The two accomplices Sam and Alice are on a mission to prove that Mrs. Kelleur is a witch. Sam breaks into her house…

Alice has gone to her father's house and Sam has promised to protect Farfouille. Mrs. Kelleur would like to convince Isabelle that her house is haunted so she can get rid of the ghosts once and for all. Gael wants to help Sam get Mrs. Keller's magic hat back. An exciting adventure to discover!

Alice is excited when Sam shows her Mrs. Kelleur's hat. However, Mrs. Kelleur is angry when she finds that the hat in her house is not hers. She threatens Alice with turning her into a scarecrow if she doesn't cooperate in giving her hat back. Despite Alice and Sam's best efforts to convince Francis that Mrs. Kelleur is…

It's a full moon and Mrs. Kelleur is excited to use her babalixir potion to get rid of ghosts forever. The Chicottes' invite her to dinner and Sam notices physical features of Mrs. Kelleur that worry him such as a wart on her cheek, a lump on her neck and her blackened fingernails. These signs are, in his opinion,…

Much to Mrs. Kelleur's delight, the Chicottes go camping for two days. Edgar asks for Alice's help to come up with a plan to keep himself and Farfouille safe. Alice tries to convince her sister to stay with her at the Chicotte's to protect the two ghosts, but despite her attempts, it doesn't work. Edgar is worried…

In this last episode of the third series, Edgar is stressed because he really wants to help Farfouille. At the beginning, Farfouille yells at Edgar not to come out of his hiding place because Mrs. Keller is trying to trap him too but suddenly Farfouille arrives in the secret room and convinces Edgar to follow him. The two ghosts are…