In the United States, Rainbow has revoked the distribution rights for the entire series from 4Kids, and was seeking for a new partner.

On September 2, 2010, Nickelodeon announced through a press release that they will be co-producing seasons 5 and 6 of Winx Club.

In late February of 2011, Viacom stated that Keke Palmer will not be playing the voice of "Keisha," but rather Aisha (Layla), Keisha being a typo. In late March of 2011, Molly C. Quinn announced she will be voicing Bloom. Josh Keaton announced that he will voice Valtor in season 3.

The U.S premiere of the fifth season of the series is scheduled to air in February of 2012 on Nickelodeon. On March 16th, 2011, information was released stating that Nickelodeon will release four one-hour specials summarizing the first two seasons from June to September of 2011. Season three will begin in October, and their dub of season four will come out sometime later. Season five will premiere in February of 2012