Daphne's parents hold a welcome home party to celebrate her return. But the event is interrupted when the Trix send the Beast of the Depths to attack. It's up to the Winx to find the Inspiration of Sirenix and save the party!
As the fairies of Alfea celebrate Faragonda's 100th anniversary, the Trix take over Cloudtower, teaming up with Selina, a new witch with a very powerful book. Her first target: Pixie Village.
The Winx go to Lynphea College for special training with the Specialists and Paladins, skilled warriors. When Selina sends the Treants to attack, the Winx are stripped of their powers and forced to return to Alfea.
The Winx train in Aisha's new gym to prepare to fight without powers. Afterward, they return to Lynphea to fight the Treants and a flying Cloudtower. Flora saves her sister Miele, and gains her new transformation Bloomix!
Aisha and Stella work together as the Winx defeat the Treants, and earn their new Bloomix Power. Later, the Winx and Daphne tour the Golden Auditorium where they come face to face with a group of not-so-melodic sprites!
Everyone celebrates Daphne's coronation on Domino, but Bloom is weak from sharing her Dragon Flame. With help from Diaspro, the Trix and Selina send Fire Eaters to attack Bloom. Will she find the power within herself to triumph?
The Winx travel to Alexandria in search of Eldora, the fairy godmother who can help them to lock the Legendarium. But when ancient mummies rise from the ground, it is up to the Winx to put them back.
The battle between the Winx and mummies continues as Selina summons the Sphinx to attack. Bloom spots Selina in the library, but just as she is about to ask what's going on, Selina sets the place on fire, and the fight heats up.
The Winx try to obtain Mythix, but first they must prove themselves worthy of doing so. Meanwhile, the Trix boost their powers, but they don't allow Selina to bolster hers.
The Winx search for an emerald hidden in a pirate ship, which is in a fictional world called the Legendarium. Meanwhile, Selina sends the Trix into the same world.
A ship full of zombie pirates battle the Winx and the Trix, both of whom must exit the Legendarium quickly or become forever trapped there as characters within the book.
The Winx are determined to enter Cloudtower and lock the Legendarium. But plans are halted when Cloudtower becomes invisible! Meanwhile, Stella is queen for the day, but the power - and the Legendarium - have gone to her head.
In an attempt to get her crown back from Darcy, Stella faces off with a Minotaur in an ancient Labyrinth. When she finally escapes the Legendarium World, she must return to Solaria to right the wrong she has done as Queen.
The Winx travel to Zenith in hopes of finding a special technology that can track down the invisible Cloudtower. But Tecna's reunion with her family is interrupted when Frankenstein, sent by Selina, falls in love with Tecna.
Musa establishes the Alfea music café, and the Winx use the instruments' magic to protect Alfea from the flying Cloud Tower. But when Rumpelstiltskin steals Musa's voice, the Winx must get it back in time to ward off Cloud Tower.
Even without her voice, Musa uses music to save Alfea from the witches. But now the Winx must choose between Musa's voice and the Legendarium Key, which Rumpelstiltskin has offered to accept in exchange.
When the Trix challenge Bloom to a one-on-one duel with Selina, it is up to the Winx to provide backup. But when Selina unleashes the mighty, yet dangerous, champions of Alfea, all rules go out the window.
As the Winx prepare for Daphne and Thoren's wedding, they soon discover that Selina freed Acheron. Acheron banishes the Trix to the Legendarium and then removes all magic from the Magic Dimension - except for the dragon flame.
While the Winx battle the Great Lizard Spirit, Bloom fights Acheron and the Trix in the Legendarium World. The Winx need all the help they can get - even Selina's - to fight dark magic and restore order in the magic dimension.
