In the brand new episode of "Winx Club: Beyond Believix" called "The Rise of Tritannus", which Nickelodeon UK and Ireland and Nickelodeon HD UK will premiere on Saturday 24th November 2012 at 7.30am (repeated at 8.30am on Nick UK's plus-one (+1) timeshift channel, Nickelodeon+1), The Winx hold a benefit concert to help clean up after an oil spill. Meanwhile, Tritannus escapes from prison with the help of the Trix after absorbing pollution from the oil spill. This then transforms him into a monster. The Winx find out that the Trix have escaped from prison and that a mutated monster has control of the Gate from Andros to Earth. Aisha learns that the monster is her cousin, Tritannus, and Flora, Tecna and Aisha find that it is difficult to swim and use their magic with only their Believix powers under the ocean.
In the brand new "Winx Club: Beyond Believix" episode titled "Return to Alfea", which Nickelodeon UK and Ireland and Nickelodeon UK HD will premiere on Sunday 25th November 2012 at 7.30am (repeated at 8.30am on Nick UK's plus-one (+1) timeshift channel, Nick+1), The Winx return to Alfea to discuss to Ms. Faragonda about their new threat, Tritannus. Faragonda tells them they will need to acquire an ancient power called Sirenix to defeat Tritannus. She also informs the Winx the last fairy to acquire the power was Bloom's sister, Daphne, and that she knows where the find the Book of Sirenix is hidden. Bloom meets with her sister, who warns her to not seek the power, but Daphne eventually tells Bloom the Book of Sirenix is located in the Magic Archives of Alfea. The Winx, along with Sky, Brandon, Helia, and Princess Krystal, who is the princess of Flora's realm, Linphea, go into the Magic Archive to begin their search. However, The Trix attack the Winx with their new powers given to them by Tritannus. During the battle, Sky takes a blow to the head which causes him to lose his memory.
