The Secret of the Lost Kingdom is the first animated film based on the television series Winx Club. Directed by Iginio Straffi and released in 2007, Winx Club – The Secret of the Lost Kingdom – is the first Italian CGI animation feature film for the big screen. The film topped the Italian box office after the first week of screening.

The film is a natural continuation of events of the 3rd season of Winx Club series.. This 85’ movie was released in Italian movie theatres in 2007, and then distributed in 27 countries such as Australia, France, Germany, Russia, Spain and Brazil.