Episode Title:
Secret of the Ruby Reef.
Episode Description:
Tritannus raids King Neptune's underwater palace and transforms his whole family into mutants. Then he absorbs the power of his father's mystical sword. Meanwhile, the Winx get a second clue to Sirenix which leads them to Musa's home world, Melody. Searching for the Gem of Empathy, Tritannus transforms Musa into a monster and she is saved when she bonds with the selkie who guards Melody's ocean gate, Sonna. Meanwhile, the Trix and Tritannus reach Daphne in Lake Roccaluce, and capture her.
