Poirot (1989–2013)

Poirot follows the meticulous Belgian detective Hercule Poirot as he investigates complex murders, thefts, and conspiracies across Britain and beyond. The series, based on Agatha Christie’s novels, blends classic whodunit structure with character-driven storytelling, emphasizing Poirot’s deductive reasoning, attention to detail, and psychological insight. Its episodic format highlights intricate plotting, evolving supporting characters, and the social and cultural contexts of the early- to mid-20th century.

Från IMDB:
Hercule Poirot, a famous Belgian detective, who has an impeccable knack for getting embroiled in a mystery, solves crimes along with Captain Hastings and Scotland Yard Chief Inspector James Japp.