Sabrina babysits in order to earn extra money, but then accidentally casts a spell that transforms her charge, Rudy, into a grown man.
Hilda and Zelda do their best to keep magical shenanigans from occurring (a difficult task--there's a lint gremlin hiding in the dryer and a repairman with a tail trying to flush him out), only for Jenny to inadvertently stumble into the Other Realm through the upstairs linen closet.
Sabrina attempts to disprove the curse, only for trouble to arise when Roland (Phil Fondacaro), a troll who helped her find a lost math book, claims her hand in marriage as payment and spirits her away to the Other Realm.
With some help from a magical lawyer (Bryan Cranston), Hilda and Zelda discover that a prince must save Sabrina--and as Harvey's father is the local "Termite King," the younger Kinkle fits the bill.
At first, Sabrina is thrilled to see an era where education is much more free-form and protests have instantaneous effects--but when she discovers that women are still badly oppressed in the 60s, she wants to return home.
Now that Libby has gone to a private school, and Valerie has moved to Alaska with her parents, an anxious Sabrina becomes convinced that Harvey and her aunts don't really care for her, and sets out for her new life in France.
When Salem gets heartbroken he decides to start a Civil War on Pluto so Sabrina will come to her senses and return home to him and Hilda and Zelda, where she belongs.
Sabrina discovers she must tutor apprentice witch Dreama-an accident-prone girl a little too fond of trying out magic while in the Mortal Realm-or risk banishment.
When Sabrina has Harvey write a Basketball article for the school newspaper, she starts to feel left out when he asks Brad to help him with it.
When Sabrina gets in trouble for handing out free drinks at work, skipping her curfew, missing a newspaper deadline and putting off getting her homework done, Hilda and Zelda decide to ground her for a week.
At that point Jedediah, a magic prospector working with Salem, sends Sabrina to a Wild West town governed by a large number of rules.
Hilda and Zelda are trapped in a genie bottle, so Sabrina has to turn to Salem to find a way to get Amanda to grow up and stop trying to become Harvey's girlfriend.
Worrywarts Hilda and Zelda grapple with freshman Sabrina's decision to fly the nest and live at college, where she has issues with new roommates Roxie, Morgan and Miles.
Sabrina tries to give Josh a little confidence-booster in his new passion to be a photographer, but her simple spell to help him make his first sale leads to his getting a big head and walking out on his job at the coffeehouse.
But her good intentions go awry when the resulting crackdown means that Adams's star baseball pitcher won't be able to play in the championship game, and that Roxie, whose scholarship rides on her GPA, is forced to pass her formerly easy "Intro to Bowling" class with flying colors.
Guest Stars: Aaron Carter and Frankie Avalon Sabrina's heck-raising cousin Amanda is sent to live in the Mortal Realm for a year.
Rather than have her stay at the Spellmans', Hilda and Zelda arrange for Sabrina to help get Amanda into a special school called Witchright Hall for maladjusted young witches.
Music group Eden's Crush performs in the fifth-season finale, which finds Sabrina and Josh hosting a singles night at the coffee house.
When Sabrina thinks her problem has to do with her magic, she goes to see the "love doctor" in the Other Realm, only to find out it has to do with keeping her witchcraft a secret from Josh.
After conferring with her aunts, Sabrina decides that the only way she won't have a problem proclaiming her love would be to let Josh know she is a witch, despite their warnings.
Meanwhile, Morgan tries to pit boss Hilda and professor Zelda against one another so she won't have to worry about working at the coffee house or going to class for the rest of the semester.
Some time later, Sabrina joins Morgan and Roxie (who have all moved into the Spellman house upon the departure of Sabrina's aunts) on a trip to visit MTV to meet Total Request Live host Carson Daly and interview the rock band Course of Nature after Morgan wins a writing contest with the ultra-hip Scorch music magazine.
While she is in the computer, Leonard alters Sabrina's body (thinking it's just a picture of her), greatly enlarging her breasts and butt, along with bleaching her hair and giving her a very revealing red dress and a bulky 1960s hairstyle.
When Sabrina re-emerges from the computer she finds that she can't reverse the transformation or change out of her skimpy outfit, leaving her stuck in her new bimbo image.
Sabrina catches a special performance by pop star Avril Lavigne and meets a talented musician whom she believes is being blackmailed by a gangster.
After Sabrina is threatened by the gangster, she and Salem take a trip into the future where she sees that her premature death is really caused by Amanda's second-hand smoke.
Sabrina tires of her clumsy ways so she uses her magic to make herself mistake-free, but the spell also turns her into a know-it-all and ends up jeopardizing her friendships.