The sleuth investigates the disappearance of a cook, a body is found in Captain Hastings' garage, and a man receives threatening letters.
Poirot meets an accident-prone woman, tackles a blackmailer, and searches for a missing man.
One of Hastings' friends is murdered, a murder gives rise to rumours of a communist conspiracy, and the sleuth accompanies a precious cargo to New York.
Poirot investigates a bizarre series of deaths, a woman is murdered during a flight, and the sleuth's dentist is found dead.
An archaeologist is found dead, a wealthy industrialist is murdered, and an unsolved case resurfaces.
The sleuth tries to unravel a Christmas murder mystery, a killer strikes at a student hostel, and a man is found murdered on a golf course.
A rich industrialist is murdered in a picturesque village, and an actress's estranged husband is murdered.
A socialite's body is found on a beach, and an archaeologist's wife is murdered during an excavation.
Poirot reopens a 14-year-old murder case, investigates two poisonings, and probes the murder of an American heiress.
The sleuth investigates a murder on board a train, a bridge player is stabbed through the heart, and a man is found dead after changing his will.
Poirot investigates a cleaner's death, a schoolgirl is embroiled in a mystery, and the death of a former nanny is connected to a troubled heiress.
A murder victim is found surrounded by stopped clocks, a priest chokes to death at a cocktail party, and a Halloween party becomes the venue for a murder.