Also known as Island Tricks in the Nickelodeon dub.
The Winx discover the White Circle is a key that sends them to the legendary kingdom of Tir Nan Og, where Morgana and the Earth Fairies are held captive. They work to help them regain their freedom, but they soon discover the Earth Fairies are more vengeful than they thought.
- Mid-Season Twist: The Winx have freed Morgana and the Earth Fairies, only to reveal they vow revenge on the Wizards for sealing them, and all the people of Earth for losing their belief in fairies. Now the Winx have to stop the Earth Fairies from destroying Earth.
- Mind-Control Eyes: Those who are mesmerized by the illusions created by Tir Nan Og will have their pupils flash blue.
- Nice Job Breaking It, Hero: Roxy and the Winx finally free the Earth Fairies, only to find out that after being imprisoned for so long, the Earth Fairies have grown vengeful towards the wizards that imprisoned them, and towards humans who forgot about them, and they want to take revenge. They also declare the Winx their enemies for not joining them.
- Oh, Crap!: The Winx's reactions, especially Bloom and Roxy's, when they realize the Earth Fairies are not the nice creatures they imagined.
- The Reveal: The White Circle is revealed to be a key to Tir Nan Og.
- Revenge: Morgana, Nebula, and the Earth Fairies have been sealed up in Tir Nan Og by the Wizards of the Black Circle for too long that they have grown vengeful toward them and all of Earth for losing their belief in them, thus they vow payback for what has happened to them.
- We Can Rule Together: Morgana delivers this to the Winx and Roxy, asking them to join her army and become Warrior Fairies as part of their revenge against the Wizards of the Black Circle and all of Earth. They refuse and keep silent, because revenge is not the answer, thus she dubs them enemies.
