Agatha Christie's Poirot - Full Series Information, Trailer & IMDb Reviews
Watch Agatha Christie's Poirot Season 6 Episode 4 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Agatha Christie's Poirot: Poirot and Hastings are at Lake Windermere for an attempt on the world speed-boat record. Two sisters have premonitions of danger. Soon a rich elderly widow is hurt by falling down stairs, then later she is killed by poisoning with phosphorus. The "dumb witness" Poirot must fathom to solve the mystery is a dog.