Alfea is about to celebrate the Sparx festival, also attended by the students of Cloud Tower. Meanwhile, the Winx discover that the first Prime Star is located in a secret room of their school.
- Alfea's Prime Star
- This episode marks the return of Griffin since "Winx Forever".
- This marks the first hearing of the new Cosmix part in the series.
- During the Winx's concert, Diana can be seen at Alfea despite her being from Gardenia.