Though the series ended in 2013, it’s still considered the definitive adaptation and the bestPoirotepisodes demonstrate why.

But which portrayal is the best?

The Cornish Mystery isnt one of the episodes that often gets mentioned in the top Poirot stories.

Poirot-Actors-Main

Thats okay though because the best aspect of the episode isnt the mystery itself, but the one-off characters.

That change works though sincePoirotis decidedly not a courtroom drama.

Its the last time all four of them are together.

Kenneth Branagh Hercule Poirot movies

Now, forPoirotpurists, the episode is adapted drastically differently from the novel that inspires it.

The episode streamlines those stories while still crafting a compelling last ride for Poirot and his friends.

Poirot runs into an old friend who is newly engaged.

Dedra Meero and Luthen Rael from Andor season 2 (2025)

Poirot is convinced that he is just in time to prevent a murder.

She even appeared in one of the big-screen Poirot movies with Tina Fey playing Ariadne intheA Haunting in Venicecast.

In one of the bestPoirotepisodes, Ariadne takes on her own case with the assistance of Poirot.

Poirot smiling at a woman walking with him in the Poirot episode Death in the Clouds

In the meantime, Poirot is also busy with his own case involving a murder at a psychiatric facility.

Poirot investigates her death, suspecting foul play.

Kenneth Branagh has directed three Hercule Poirot movies so far & they’re each distinct.

Lemon, Japp, Poirot, and Hastings together facing the camera in the Poirot episode The Big Four

But one is better than the rest, so we rank the three films.

Poirot looking down in Labours of Hercules

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