Tess gets her brothers to stop fighting for Christmas, but when her plan backfires and Spencer runs away, they all learn a valuable lesson from Santa at the mall.

After organizing an all-girls Valentine's Day outing with dateless Allie and Chloe, Tess accepts a date with a boy, and almost goes crazy trying to juggle both plans so as not to let anybody down.

Tess is determined to keep Jack on as her wrestling coach, even if it means helping him land the dreaded position of Vice Principal in charge of school discipline.

When the school district refuses to replace the wrestling team's dilapidated mats, Tess produces a video that changes their minds, only to discover an allergy to the new mats makes them more dangerous to her than the old ones.

When acting girly to get a cute boy to ask her to dance at the school's Halloween party fails, a mysterious witch makes Tess's off-the-cuff wish to become a boy a reality, leading Tess to discover that being a member of the opposite sex isn't always easier.

Tess dates a guy from her study group in order to get Gabe to go out with a girl who is smarter and less superficial than his usual type.

Tess takes a part-time job as a dog washer, but when Allie insists on working there too it puts a strain on their friendship.

After ignoring Gabe's warning about dating an older boy, Tess gets humiliated by him and must decide the best way to teach a bad guy a good lesson.

When Tess and Sam get their drivers' licenses, the family embarks on a new era of complicated car logistics, but the wheels come off as Tess steals the car during Gabe's turn and races to the mall to help Allie buy her the perfect prom dress.

Tess insists on hanging out with Sam's cute, science genius friend, but it backfires when she causes him to suffer a case of amnesia, and Tess must try to fix him before he gives a speech to a room full of scientists.

Tess and Gabe's musical partnership is tested when Tess secretly sells Gabe's song to a famous musician without first getting his approval.

Tess's reputation takes a hit after Jack forces her to show a dorky new student around the school, and she tries to fix the problem by making the geeky student cool.