S4 E1 • Au service de la princesse

Derek refuses to help out with Marti's birthday party despite being asked by Sally. Casey wants to get back together with Max, but he is hesitant about the whole idea.

Première diffusion : 19 juillet 2008

S4 E2 • Scène ouverte, cœur fermé

Derek has trouble expressing his feelings, so Sally suggests that he write her a song. Edwin is hurt when no one finds his comedy routine for the talent show funny.

Première diffusion : 27 juillet 2008

S4 E3 • Juste ami

Derek becomes jealous when Sally and her ex-boyfriend Patrick start spending more time together. Derek claims that people of the opposite gender cannot be friends with each other, and Casey sets out to prove him wrong. Edwin is suspicious that George and a close friend of his are having an extramarital affair.

Première diffusion : 12 août 2008

S4 E4 • Mauvais début

While the rest of the family heads off to Quebec for spring break, Casey and Derek decide to stay home. However, the two discover that they now have to spend the entire vacation together when their original plans don't work out.

Première diffusion : 26 août 2008

S4 E5 • Six et demi

Casey is crushed when a new kid at school named Truman starts rating girls, and only gives her a 6½ out of 10.

Première diffusion : 12 septembre 2008

S4 E6 • Derek amoureux

Derek breaks up with Sally after she announces her plans to attend an out-of-province university in the fall. Derek claims he's fine with the breakup, but Casey and Edwin don't believe him. Meanwhile, Lizzie and Marti take care of a lost dog.

Première diffusion : 23 septembre 2008

S4 E7 • Derek fait ses valises

All the kids are in crisis about going back to school in September, but they have to put their problems aside to stop Derek from dropping out of school to go west with Sally.

Première diffusion : 7 octobre 2008

S4 E8 • Rêves secrets

Casey is in panic mode after the diary that details her unsettling romantic dreams about Truman goes missing. Believing that Derek and Edwin took it, Lizzie and Marti attempt to get the diary back by making their stepbrothers' lives miserable.

Première diffusion : 21 octobre 2008

S4 E9 • Travail d'adultes

Casey spends the day with George at his law office and takes the initiative to reorganize his filing system, with disastrous results. Derek tries to help Nora land a business deal with a wealthy client.

Première diffusion : 4 novembre 2008

S4 E10 • Fini de jouer !

Casey gets stuck with Truman as her fencing partner in gym. What starts out as a friendly game of table-tennis between Derek and Edwin turns into an ongoing competition to figure out who is the best player.

Première diffusion : 18 novembre 2008

S4 E11 • Casey et Derek font connaissance

As George prepares a Mexican fiesta for their second wedding anniversary, Nora gets a reluctant Casey to tell the story of how she and Derek first met.

Première diffusion : 2 décembre 2008

S4 E12 • Un couple improbable

While his parents are away for the weekend, Ralph stays at Derek's home where he begins to develop a crush on Casey.

Première diffusion : 16 décembre 2008

S4 E13 • Le concours de dance

Derek threatens to ruin Casey's dreams of winning an important dance competition; Lizzie tries to convert junk food junkies George and Edwin.

Première diffusion : 30 décembre 2008

S4 E14 • Un petit roublard

A surprise visit from Edwin's friend Teddy turns into a frequent occurrence that makes the entire McDonald-Venturi household uncomfortable. Despite warnings from Emily, Casey decides to go out on a date with Truman.

Première diffusion : 4 mars 2009

S4 E15 • Révisions tous azimuts

To be eligible for college athletic scholarships, "D" average Derek seeks George and Edwin's help in passing all of his final exams. Meanwhile, Nora and the girls try to get a stressed out Casey to stop over-studying and relax. When neither of these plans work, Derek and Casey are forced to help each other.

Première diffusion : 11 mars 2009

S4 E16 • Les chaperons

Derek serves as a chaperone for Casey who is going to a party in Toronto with Truman. Lizzie goes out on a date with a boy that the family has never met.

Première diffusion : 18 mars 2009

S4 E17 • Un partenaire pour le bal

As the prom approaches, Casey and Derek both find themselves without a date. Meanwhile, George and Nora have something to tell the family.

Première diffusion : 25 mars 2009

S4 E18 • En route vers le futur

A worried Casey is having difficulty writing her valedictorian speech for graduation, which she blames on Derek. Edwin is concerned that he won't be able to live up to Derek's reputation at J.S. Thompson High when he goes there in the fall.

Première diffusion : 25 mars 2009