Agatha Christie: Poirot - Collection 6 Boxset

Set in the 1930s, the award-winning period drama stars David Suchet as a quirky Belgian detective named Hercule Poirot. 
The series is written by Clive Exton, but based on Agatha Christie's classic crime stories. 
Meticulous in his work as a private detective, Poirot exercises his "little grey cells" to help the police solve crimes and murder mysteries, whether they request his services or not. 
Captain Hastings, Poirot's side-kick, is played by Hugh Fraser and Phillip Jackson takes on the role of Inspector Japp