Mega Mindy and Black Crystal (original title: Mega Mindy in Het Wart Kristal) is a Flemish children's film directed by Matthias Temmermans, released in 2010. Written by Matthias Temermans and Jimmy Simons, the film tells the story of Charles played by Hero Muller, who plays the role of an inventor of a cloned machine and then controls anyone, like Marie Fontaine, alias Mega Mindy (Free Suffriau) who will manage to neutralize it. Produced by Studio 100, the film was shot in Dutch language in Spain and broadcast in Belgium on 16 December 2010 and then on television on the Ketnet channel. It was released live-to-video in France on 13 April 2011. It is the second feature film by Mega Mindy, following the film Le Secret de Mega Mindy (Het Geheim van Mega Mindy).