Nebula

The Wizards try to capture the last fairy of Earth by using a location spell to find the White Circle. Meanwhile, Musa is debating on calling the music producer, Jason Queen. Jason remembers seeing Musa perform of the Frutti Music Bar and asks her to come in to audition. As Bloom tries to reassure Sky and Riven that they and Andy are just friends, Roxy, while holding the White Circle in her room, is suddenly possessed by another terrestrial fairy named Nebula and goes to take on the Wizards of the Black Circle alone.

Bloom, Stella, Flora, Musa, Tecna, Darcy, Icy, Mitzi, Timmy, Palladium, Brandon, Griffin, Faragonda, Knut, Mike, WizGiz, Saladin, Prince Sky, Codatorta, Daphne, Griselda, Stormy, Vanessa, Riven, Professor Polonium, Kikko

This season was also called: Winx Club: The Power of Believix.

The series was budgeted at an estimated $10 million.

One of the executive producers, Joanna Lee, died of bone cancer on October 24, 2003, while the series was still in production.

Bloom is an ordinary teenager who leads an ordinary life in the ordinary town of Gardenia- that is, until she finds herself smack in the middle of a battle between an angry ogre and a real-life fairy princess. What becomes even more amazing is that Bloom discovers she, too, has magic powers.