Winx Club: Season 7, Episode 4

7 - 4: The First Color of the Universe

With Roxy's exceptionally strong animal magic, the Winx discover from the digmoles that the fairy animal with the very first color of the universe itself possess the ultimate power. They return to the park, where they encounter an ancient tortoise. Roxy follows a different trail and separates from her best friends' but is ambushed by Brafilius, who takes her memory stone and abducts yet another fairy animal.