Sabrina babysits in order to earn extra money, but then accidentally casts a spell that transforms her charge, Rudy, into a grown man. Sabrina brings a jar of "truth sprinkles" to cooking class to make Libby tell why she was making up lies about her, but the sprinkles are put on top of the cakes the class made by mistake, causing everyone to say exactly what they think. With some help from Aunt Hilda, Sabrina gets to rewind time and relive the day, changing things for the better and making her love magic. This shocking news is coupled with Sabrina having an extremely bad first day at her new high school, culminating in her turning cheerleader/"mean girl" Libby into a pineapple. On her 16th birthday, Sabrina Spellman discovers she's born with extremely powerful magic when her Aunt Hilda and Aunt Zelda inform her that she is a witch by giving her a spellbook and revealing that their cat, Salem, can speak. Story by : Barney Cohen & Kathryn Wallack Pool and her rivalry with villainous cheerleader Libby Chessler, who battles with Sabrina for Harvey's affections. Sabrina's school life is dominated by her budding romance with Harvey Kinkle, her relationship with friend Jenny Kelly and teacher Mr. With the help of her witch aunts, Hilda and Zelda, and their talking cat Salem, Sabrina learns to master her powers.
In the first season, Sabrina Spellman discovers on her 16th birthday that she is a witch.