S5·E20 The Problems of Love

Darcy and Stormy show up with the Singing Whales of Melody. Icy is not impressed and rather be with Tritannus. Much their dismay they send the whales after the Winx causing a horrible sound. The Winx try to attack but are stopped by Musa, who uses her Sirenix spell, the Voice of Sirenix, to free the singing whales. Then they use Sirenix convergence magic to restore the Pillar of Balance.