Investigation has over 7 shows broadcast from as early as 2010 and as recent as 2022. Some of the best tv shows from Investigation include Des crimes presque parfaits and Opération police, airing in 2010 and 2014 respectively. Discover the best of Investigation with our list of over 7 series, meticulously updated for February 2026.

Investigating the most notorious and infamous crimes in French history. These cases didn't merely capture the public's attention, but the events would go on to inspire some of the world's most chilling films and novels.

Explores the phenomenon of phrogging – people secretly living inside someone else’s home and features two first-hand accounts of survivors sharing the most skin-crawling, twisted and truly terrifying stories imaginable. Along with interviews and key archive materials, cinematic recreations bring the clues and confrontations to life.

This investigative series examines cases of murder motivated by a lethal mix of mental illness, role-playing rituals and bizarre religious beliefs.




One of the most horrifying tales in Quebec's judicial history. More than 50 years later, and some for the first time, protagonists of the time revisit this terrifying story that marked them forever. A story that many think they know, but which has never been told with such depth.