Josh and Harvey are both fighting over Sabrina and they have to take a magical test. Afterwards Harvey announces that he knows that Sabrina is a witch.

Four Sabrina's appear when she is indecisive about her college choice and is being pushed toward four different schools by her friends and her aunts.

Amanda shows up all of the sudden being Sabrina's best friend. Something has to be up with her.

Sabrina resents living by the rules when she is grounded for breaking curfew, so a magic prospector zaps her to the Wild West, where, as the new sheriff, she happily declares a formerly rule-ridden town rule-less.

Dreama falls prey to witch-hunter Brad after she catches Spring Fever, a distracting and highly contagious daydream virus, from Sabrina, and accidentally uses her magic in front of Brad, and is turned into a mouse.

Sabrina finds out that Salem's daughter is getting married in the Other Realm and Salem hasn't seen her in decades.

Salem's old acquaintance Duke arrives after having finished his exile from witchdom. He wants to fit in, but his magic isn't what it used to be.

Valentine's Day magic has Sabrina rushing to put an end to Josh's secret crush on her before she breaks Harvey's heart.

Sabrina's sloppy spell casting turns Harvey into his childhood superhero idol, while Kraft quits school to become a world famous aviator.

Determined to win Cutest Couple at the prom, Sabrina gets a dynamite dress that is a size tto small, becomes convinced she must lose a ton, and diets so much (with the "help" of an unscrupulous Other Realm salesman) that she disappears altogether.

Sabrina wins a trip to Jamaica, but can't get out of Boston due to a snowstorm. After magically changing the weather, Mother Nature shows up and turns her into a snow-lady.

Sabrina and Mrs. Quick uncover a scandal at school involving Mr. Kraft and misappropriated funds. Meanwhile, Sabrina finds Salem a date for his high school reunion, but it seems he is much more interested in her than she is in him.

Harvey surprises Sabrina with a trip to the mountains for a ski weekend, however things become complicated, and potentially dangerous for Sabrina, when Brad offers to drive them.

Sabrina is finding it difficult to deal with Harvey's romance with Colette, and despite Dreama's best efforts, they seem unlikely to reconcile. Meanwhile, Hilda and Zelda decide to make Thanksgiving dinner, and zap in two pilgrims to help.

In order to impress Josh, Sabrina begins using oil of old age, which makes her more mature. However, she does not use it sparingly, and it soon makes her turn older and older, while Hilda's magic clock produces Marie and Pierre Curie.

As her crush on Josh intensifies, Sabrina is torn between helping him study for an exam and watching Harvey's football game. Desperate, she enlists Dreama's help, while Hilda and Zilda's search for a housekeeper leads to a surprise reunion.

After a short job search, Sabrina is hired as a barista at the local coffee house. However, her decision to work on Halloween is not popular with her aunts, and their ominous prediction that Sabrina cannot escape from Halloween proves true.

Sabrina gets approved for an Other Realm credit card and as a result, goes overboard buying things and becomes spoiled rotten. When Hilda and Zelda see how much stuff she bought, they order her to donate everything to a rummage sale to benefit the orphans in Honduras. However, Sabrina gives away her aunts' unwanted magical items instead, and as a result, her friends buy and fall victim to the items' magical powers. Meanwhile, Salem wants to get a pet of his own.

Much to Hilda and Zelda's displeasure, Sabrina invites their mother over for a visit. During her stay, the aunts get some shocking information: that their mother and father adopted them and unfortunately, start to lose their sense of identity and start to disappear. Wanting to help Hilda and Zelda, Sabrina begins an investigation to help them remember who they really are.

Sad and lonely without Valerie in town, Sabrina becomes so jealous over the fact that Harvey is spending so much time writing an article for the school newspaper with Brad. As a result, she comes down with a rare affliction called jealitosis. Meanwhile, Mr. Kraft shares his fears about his brother's upcoming visit.

Sabrina learns that she has to spend the year mentoring a witch who doesn't have a good grasp on her magic – or lose her witch's license. Things are going as well as expected until Dreama's clumsy spell casting causes Brad to become suspicious of Sabrina and her odd new friend.

Sabrina travels to Australia's Great Barrier Reef with her best friend Gwen, a fellow witch from England, for a week-long vacation where they try to help protect a hidden mermaid colony whose habitat is threatened by ocean pollution, and by a local marine biologist, Dr. Julian Martin, determined to find the colony as his claim to fame. While Sabrina finds romance with Barnaby, a "merman" from the mermaid colony, Salem the cat finds a posible romance with another witch-turned-into-a-cat, named Hilary, but finds Sabrina's problems interfering with his plans.

Sabrina's senior year didn't start out as planned, and as a result, she decides to move in with her father and his new family in Paris. However, it doesn't take long for Sabrina to realize how much she misses her family and friends in Westbridge that she changes her mind and moves back home.