Mr. Know-It-All

This French comedy-drama follows Vincent Barteau, a football coach who avoids long-term commitments and emotional bonds. His structured life is disrupted when he is forced to look after his thirteen-year-old nephew, Léonard, who has Asperger's Syndrome. While the two initially struggle to understand one another, their relationship evolves as they support each other, leading Vincent to reconsider his outlook on life and helping Léonard gain self-confidence.

The film was co-directed by Stéphan Archinard and François Prévôt-Leygonie, marking the first of three listed collaborations between them, followed by Forced Vacation and Les Gendarmes. The cast features Arnaud Ducret in the lead role alongside Max Baissette de Malglaive, Alice David, Jean-François Cayrey, Caroline Silhol, and Féodor Atkine.

Released in 2018, the production earned 3 million USD at the worldwide box office. Audience reception is generally positive, with the film holding a rating of 6.4/10 on IMDb based on 892 votes and a slightly higher score of 6.8/10 on TMDB from 219 votes.