4 - 1The Wizards of the Black Circle Apr. 15, 2009
4 - 2The Tree of Life (a.k.a. Fear in Pixie Village) Apr. 17, 2009
4 - 3Winx on Earth Apr. 20, 2009
4 - 4Love & Pet (a.k.a. Magic Pets) Apr. 22, 2009
4 - 5Mitzi's Present (a.k.a. Ogron's Spell) Apr. 24, 2009
4 - 6A Fairy in Danger (a.k.a. A Fairy Found) Apr. 27, 2009
4 - 7Winx Believix (a.k.a. I Believe in You) Apr. 29, 2009
4 - 8Hidden in the Country May. 01, 2009
4 - 9Nebula (a.k.a. Nebula's White Circle) May. 04, 2009
4 - 10Musa's Song (a.k.a. The Audition) May. 06, 2009
4 - 11Superheroes May. 08, 2009
4 - 12Dad! I'm a Fairy (a.k.a. The Pet's Pursuit) May. 11, 2009
4 - 13The Wizard's Attack (a.k.a. Roxy's Energy) May. 13, 2009
4 - 14The Perfect Number (a.k.a. Bringing Magic Back) Oct. 14, 2009
4 - 15Magic Lessons (a.k.a. The New Witch in Town) Oct. 16, 2009
4 - 16A Virtual World (a.k.a. A Virtual Hideout) Oct. 19, 2009
4 - 17The Enchanted Island (a.k.a. Island Tricks) Oct. 21, 2009
4 - 18The Nature Rage (a.k.a. Diana's Attack) Oct. 26, 2009
4 - 19In Diana's Kingdom (a.k.a. In the Amazon Forest) Oct. 28, 2009
4 - 20The Gifts of Destiny (a.k.a. Diana’s Redemption) Oct. 30, 2009
4 - 21Sibylla's Cave (a.k.a. The Fairy of Justice) Nov. 02, 2009
4 - 22The Frozen Tower (a.k.a. Aurora's Tower) Nov. 04, 2009
4 - 23Bloom's Trial (a.k.a. Bloom's Challenge) Nov. 06, 2009
4 - 24The Day of Justice (a.k.a. The Wizard's Trap) Nov. 09, 2009
4 - 25Morgana's Secret (a.k.a. Home at Last) Nov. 11, 2009
4 - 26Ice and Fire (a.k.a. Duel in the Omega Dimension) Nov. 13, 2009