The Spill

S05 E01 • Tuesday, Oct 16, 2012 • Oct 16 • 23m

In the kingdom of Andros, Aisha's uncle Neptune plans to make his son Nereus a prince, Nereus's twin brother disrupts the crowning ceremony and is sent to prison.

The Rise of Tritannus

S05 E02 • Wednesday, Oct 17, 2012 • Oct 17 • 23m

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.

Return to Alfea

S05 E03 • Thursday, Oct 18, 2012 • Oct 18 • 23m

The girls all head back to Alfea to talk more with Ms. F and read up o a book called The Sirenix. While in the library they are attacked by both the Trinx and Tritannus: who is getting stronger. Sky takes a hard blow to the head.

The Sirenix Book

S05 E04 • Friday, Oct 19, 2012 • Oct 19 • 23m

Krystal attempts to heal Sky's memory, but the memory of losing the pendant of Eraklyon is causing the blockage, but only Sky knows where it can be found. Timmy helps Tecna update her phone to find the Sirenix Book, which the Trix secretly sabotage. While, searching for the Sirenix Book, the Winx find the fake one, which turns Tecna into a terrifying robot, whose mission is to find the Sirenix Book.

The Lilo

S05 E05 • Monday, Oct 22, 2012 • Oct 22 • 23m

The Trix show their powers, wondering if they are strong enough to go up against The Winx Club. As the Trix get stronger, so do the Winx.

The Power of Harmonix

S05 E06 • Tuesday, Oct 23, 2012 • Oct 23 • 23m

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.

The Shimmering Shells

S05 E07 • Wednesday, Oct 24, 2012 • Oct 24 • 23m

After suffering a humiliating defeat at the hands of the Twisted Sisters, and Tritannus, the girls all head to Aishas underwater world to visit personally with her uncle Neptune. There they meet Pescies, who are the Underwater Pixies of the Sea. The Winx try to get the 'mystical stone: self-confidence" as part of their mission for Sirenix.

Secret of the Ruby Reef

S05 E08 • Thursday, Oct 25, 2012 • Oct 25 • 23m

Tritannus raids King Neptune’s underwater palace and transforms his whole mer family into mutants. Then, thanks to the dark magic of his trident, he manages to absorb all of the magical strength and energy of his father, King Neptune’s, mystical sword. Meanwhile, the Winx Club get a second clue to Sirenix which leads them to Musa's home world, Melody, busy searching for the second gem, the one of Empathy. During a fight with Tritannus, Musa is hit by a powerful dark spell and transforms into a terrible monster, bent on destroying the Winx. The Trix arrive with Tritannus on daphne`s doorstep and force her to tell them about Sirenix.

The Empathy Gem

S05 E09 • Friday, Oct 26, 2012 • Oct 26 • 23m

Continuing their quest to find all the mystical gems, Bloom, Aisha and Tecna go to Tecna's home world, Zenith, to find the second gem of empathy. Meanwhile, Musa, Flora and Brandon watch over Stella who has accidentally turned into a little kid! Will the Winx find the second gem, and turn Stella back to normal?

Trix Tricks

S05 E10 • Monday, Oct 29, 2012 • Oct 29 • 23m

During a day of races that are taking place at Alfea with current, & past students of Red Fountain, the Trix attack and create lions out of dark magic to fight the Winx for them.

Test of Courage

S05 E11 • Tuesday, Oct 30, 2012 • Oct 30 • 23m

Bloom and some of her friends head to her home world for a celebration, along with Sky. However it is interrupted when the witches cause trouble underwater. Sky is left along with Blooms parents when the are attacked.

Sirenix

S05 E12 • Wednesday, Oct 31, 2012 • Oct 31 • 23m

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.

A Magix Christmas

S05 E13 • Sunday, Dec 9, 2012 • Dec 9 • 23m

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.

The Emperor Throne

S05 E14 • Sunday, Feb 17, 2013 • Feb 17 • 23m

After having a picnic on a dirty beach the Winx decide to clean it up, while Stella tries her hand at a fashion show. Meanwhile Tritannusgains more power, but looses his toxic one.

The Pillar of Light

S05 E15 • Sunday, Feb 24, 2013 • Feb 24 • 23m

The Winx battle it out agents in Trix. Sirenix VS Sirenix.

The Eclipse

S05 E16 • Sunday, Mar 3, 2013 • Mar 3 • 23m

As darkness envelopes the magical worlds, everyone looks to Stella to help save them and her father's life.

Faraway Reflections

S05 E17 • Sunday, Mar 10, 2013 • Mar 10 • 23m

Daphne tries to warn Bloom of Tritannus' plans; Mike and Vanessa's attempt to clean up Garbage Island is interrupted by a monster attack.

The Devourer

S05 E18 • Sunday, Mar 17, 2013 • Mar 17 • 23m

The Singing Whales

S05 E19 • Sunday, Mar 31, 2013 • Mar 31 • 23m

The Problems of love

S05 E20 • Sunday, Mar 31, 2013 • Mar 31 • 23m

A Perfect Date

S05 E21 • Sunday, Apr 7, 2013 • Apr 7 • 23m

Listen to your heart

S05 E22 • Sunday, Apr 14, 2013 • Apr 14 • 23m

The Shark's Eye

S05 E23 • Friday, Apr 19, 2013 • Apr 19 • 23m

Saving Paradise Bay

S05 E24 • Monday, Apr 22, 2013 • Apr 22 • 23m

The Last Discovery

S05 E25 • Tuesday, Apr 23, 2013 • Apr 23 • 23m

The Fall of Tritannus

S05 E26 • Wednesday, Apr 24, 2013 • Apr 24 • 23m