ITV3 Maigret Catch up on the ITV Hub A new adaptation of the classic George Simenon detective novel. 2 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 2 2. Maigret in Montmartre Wed Wednesday 11 Jul 8pm Maigret investigates the random murders of a countess and a showgirl. 1. Night at the Crossroads Wed Wednesday 4 Jul 8pm Maigret investigates the murder of a Jewish diamond dealer, killed in the dead of night.