Sam and Cat are excited to try a new online drone delivery service, but when they use it, they encounter more problems than they expected.
Nora makes a return and targets Dice as a way to get revenge on Sam. With nowhere else to turn, Sam and Cat are forced to ask for some unlikely help from Nevel. Guest Stars: Danielle Morrow, Reed Alexander, Noah Munck
Icy is eager to learn more about Bloom's special power, similar to the dragon fire. During Bloom's mid-term exam at Alfea, Darcy sets the Simulation Chamber at the highest level of difficulty, to analyse Bloom's power. Bloom is a very, very special fairy.
The Winx sneak into eerie Cloud Tower to get the ring back but they find the dangerous 'Crypt of the Magic Archive' - the most secret vault of Cloud Tower, where fairy are kept. But a mysterious voice guides Bloom, helping the Winx to escape.
Bloom returns home to Gardenia to visit her parents showing off her newly acquired power. She discovers that she is actually adopted and that her adoptive father Mike, actually found her in a fire during one of his fire-fighting missions.
Bloom becomes involved in a fight between a magical fairy Stella, and a gang of trolls headed by Knut the Ogre. Bloom takes Stella home and there Stella introduces her to the world of Magix, where the College of Alfea for aspiring fairies is located.
Bloom accidentally discovers that Brandon is not a simple squire to Prince Sky, but that he is the real prince. For security reasons, the two friends had exchanged roles. Another surprise: Brandon has a fiancée, the beautiful princess Diaspro.
Bloom initially seems to be weaker however she succeeds in defeating Icy, Darcy and Stormy and imprisons them! The Headmistresses of the two colleges agree that this battle has been he best possible test for the fairies and witches.
Stella receives what she believes to be an invitation for a date from Prince Sky, however it's actually the witches up to their tricks! They confront the witches but they are defeated and compelled to hand over Stella's ring to the triumphant witches.
Bloom and Stella are assigned to the same dormitory, with Flora, Musa, and Tecna. The 5 girls become best of friends and so the 'Winx Club' is formed. Bloom encounters the 3 notorious witches of the new college Cloud Tower - Icy, Darcy and Stormy.
Bloom and friends release the imprisoned 'good' witches at Cloud Tower which join forces with the fairies to fight Icy, Darcy and Stormy, however just as Bloom is about to get back the Dragon Fire power Icy extinguishes the flame with her powers.
Sam and Cat have tickets to Mystic Mountain theme park, but their plans are disrupted when Cat gets trapped inside one of Dice's magic tricks, and the gang has to find a way to get her out.
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