Winx Club 3D: Magical Adventure is a 2010 Italian computer-animated film based on Winx Club. The film is a sequel to Winx Club: The Secret of the Lost Kingdom. Its working title, announced in 2009, was Winx Club 3D: The Magic Is Back.
The film was animated by Rainbow S.p.A. In February 2011, Nickelodeon's parent company Viacom became a co-owner of Rainbow, and it was announced that Viacom would re-release Magical Adventure through its subsidiary Paramount Pictures.
On February 19, 2013, Nickelodeon held a special screening of the movie at the TCL Chinese Theatre in Hollywood. Nickelodeon star Daniella Monet and Winx Club creator Iginio Straffi both attended the premiere. On May 20, Nickelodeon's American channel aired the movie, and Paramount released it on DVD on August 13.