What Marielle Knows is a 2025 German drama film written and directed by Frédéric Hambalek. The film follows Julia and Tobias, who discover that their daughter Marielle has suddenly developed telepathic abilities and can see and hear everything they do. The film was selected in the Competition at the 75th Berlin International Film Festival, where it competed for the Golden Bear and had first screening on 17 February 2025 at Berlinale Palast.