What? What "Winx Club" is?
If so, than "Winx Club" is a cartoon (Created Von Indigo Staff in Italy) The first 3 seasons are mainly the same thing: There are 5 main characters: Bloom, (The leader) princess of Domino, (Sparks in 4kids) has the power of the Dragon Fire. Stella, princess of Solaria, has the powers of the sun, star, sterne and moon. Musa, (from Melody oder 5th Harmonic Nebula in 4kids) was the power of Music. Flora (From Limphea oder the 5th Marigold) has the power of plants. Layla/Aisha (Princess of Andros oder Tides in 4kids) has the power of morphix. Tecna (Princess of Zenith) has the power of technology.
There are four seasons. Each, the girls earn a different and Mehr powerful transformation. (1st Season- Winx. 2nd Season- Charmix. 3rd Season- Enchantix. 4th seasons- Believix.)
There are of course, villains in each season.
1st Season: The Trix (Or, a group of 3 witches: Icy, Darcy and Stormy)
2nd Season: The Trix & Darkar (An evil scorcerer)
3rd Season: The Trix & Valtor [Baltor in 4kids] (An evil wizard)
4th Season: The Wizards of the Black kreis [Fairy Hunters] (Group of 4 men: Orgron, Duman, Gantlos and Anagan)
In seasons 2 & 4, we meet to new members of the Winx: Layla/Aisha and Roxy. (Although Roxy is just temporary, she is still with the Winx throughout the whole fourth season)
There are also 2 movies: Winx Club; Secret of the Lost Kingdom & Winx Club; The Magic Returns.
Well, instead of telling Du what happens in all the seasons and everything on the characters and such, use this link:
link Hope I helped! ;)