When does Winx Club return?

Winx Club is an animated television series co-produced by Rainbow S.p.A. and, later, Nickelodeon. It was created and directed by Italian animator Iginio Straffi. The show is set in a magical universe inhabited by fairies, witches and other mythical creatures. The main character is Bloom, a girl from planet Earth who discovers she's a fairy and enrolls at Alfea College to train and hone her magical skills.
The series follows the adventures of a group of girls known as the Winx, students at the Alfea College for Fairies, who turn into fairies to fight villains. The Winx are made up of Bloom, Stella, the fairy of the Dragon Flame; Stella, Flora, Tecna, Musa, Aisha, and Roxy. The main male characters are called the Specialists, who are also the fairies' boyfriends. Winx Club is set in a vast universe with several dimensions.