While Beckett and her team investigate the murder of a young telenovela actress, Castle is hired by the show's star to follow the case from a different angle.
Pierce is accused of stalking Caroline which brings his mental stability into question. Moretti teams up with a Canadian inspector to find the real stalker.
The Winx travel to Zenith to persuade their King to join the alliance while Trintanus attack the pillar of control. Trintanus begins to loose control, and the Trix split up.
Darcy and Stormy show up with the Singing Whales of Melody. Icy sends the whales after the Winx creating a horrible sound. The Winx try to attack but are stopped by Musa, as she faces the whales alone, and the Trix escape. Musa is using Voice of Sirenix to try and free them.moreless
Tritannus sends a hungry beast after the Selkies so that he can get to the Pillars. It's up to the Winx to apply their training and use their skills to save the Selkies and stop Tritannus.moreless
The Winx battle it out agents in Trix. Sirenix VS Sirenix. They also try to saved daphne.
Bloom's plans to head home for Christmas are interupted by the Trix. They have trapped the girls at their old school with Ice dragons to keep them at bay.
Both Bloom, and the rest of the Winx Club have gained the ability to cross the Gates, but the Witches have stolen Daphne's powers, and can now do do it too.
Bloom and a couple of the girls head off to Blooms home world of Sparks for a celebration. However must cut away from it early when they get news that the last gem is in oneof Spark's ocenas. While down their Floria is given the necklace Sky lost months ago.
Bloom, Tecna, and Aisha head off to zenith for more clues. Meanwhile Stella is trying to put ona fashionshop while everyone else is getting annoyed with her stuck up ways. When lookingfor inspiration, she takes a brooch, time is turned backward, and Stella in 3 years od again.moreless
The Winx receive another clue to Sirenix, Musa figures out it's secret meaning, and half the girls head to her home world. Musa is hit by a powerful dark spell and transformed into a monster.Tritannus raids King Neptune's underwater palace and transforms the rest of his family into mutants.moreless
In order to fix this new threat, the Winx must gain a new power, called 'Harmonix'. It not only gives them new outfit, but now they can fight in the air, land, and under water a lot easier.moreless
The Winx begin their new challenge of gaining Sirenix, but first they must gain a new power, called 'Harmonix'. In the mean time, Sky has lost his memory of everyone, including his own parents, and Bloom.moreless
The Winx change their concert, into a benefit to help clean up the oil spill. Meanwhile Tritannus escapes from jail with the help of the Trinx and begins absorbing the oil spill's pollution and slowly begins transforms into a monster.moreless
The Winx put on a concert at the Frutti Music Bar, there Roxy shows them her admission letter into Alfia. Meawhile in the underwater Kingdom of Andros, Layla/Aisha's uncle, will be crowing his son Nereus heir to the Kingdom, but his twin brother Nereus disturbs the entire procedure out of rage and jealousy.moreless
In the kingdom of Andros, Layla's (Now named Aisha) Uncle Neptune is planing a coronation for one of his sons to be the new heir. Meanwhile the Winx are planning a music festival when they meet up with Roxy, but an oil rig explodes and the Winx must go save the the workers that are still onboard. The boys show up in time to help out.moreless
Peter Pan has returned to Never Land because he's lost his shadow. Without it, Peter wouldn't be able to fly. So, Jake and his crew help find Peter Pan's shadow and outsmart Captain Hook's plans.moreless