The 40 most popular french mystery TV shows, ranked. Click any show for ratings, reviews, trailers, and where to watch.
































![Syndrome [E]](https://image.tmdb.org/t/p/w185/d1KLA95GTR0WbG9dXe4JF1LRy3Z.jpg?retro=1)







French television has moved from a broadcast-dominated tradition into a strong export position, particularly in crime and spy drama. The results tend to be shorter-run and more cinematic than Anglo-American equivalents.
Mystery series stretch a central question across a season, which lets them develop suspects and setting far past what a film allows. The form's risk is the ending, and its reward is the slow build.