The BEST episodes of Agatha Christie's Poirot season 3

Every episode of Agatha Christie's Poirot season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Agatha Christie's Poirot season 3!

He’s the super sleuth with a sharp mind and a peculiar manner who doggedly deduces the truth behind the crimes.

Last Updated: 6/6/2025Network: ITV1Status: Ended
The Mysterious Affair at Styles
star
8.00
478 votes

#1 - The Mysterious Affair at Styles

Season 3 - Episode 1 - Aired 9/16/1990

When his weekend hostess is found murdered, Hastings sends for his friend Hercule Poirot.

Directors: Ross Devenish
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How Does Your Garden Grow?
star
7.74
765 votes

#2 - How Does Your Garden Grow?

Season 3 - Episode 2 - Aired 1/6/1991

Poirot investigates when a woman he met at the Chelsea Flower Show dies from poisoning.

Directors: Brian Farnham
The Plymouth Express
star
7.70
659 votes

#3 - The Plymouth Express

Season 3 - Episode 4 - Aired 1/20/1991

Poirot is given the task of vetting suitors for an Australian magnate's daughter.

The Million Dollar Bond Robbery
star
7.66
688 votes

#4 - The Million Dollar Bond Robbery

Season 3 - Episode 3 - Aired 1/13/1991

Poirot tries to overcome seasickness to accompany a shipment of Liberty Bonds to New York.

Directors: Andrew Grieve
The Affair at the Victory Ball
star
7.66
660 votes

#5 - The Affair at the Victory Ball

Season 3 - Episode 10 - Aired 3/3/1991

A fragment of a costume is the only clue when a man is killed at a masquerade ball.

Directors: Renny Rye
The Theft of the Royal Ruby
star
7.65
653 votes

#6 - The Theft of the Royal Ruby

Season 3 - Episode 9 - Aired 2/24/1991

When the nation's security is threatened, Poirot is called in to help find a stolen ruby.

Directors: Andrew Grieve
The Mystery of Hunter's Lodge
star
7.60
627 votes

#7 - The Mystery of Hunter's Lodge

Season 3 - Episode 11 - Aired 3/10/1991

A reluctant Poirot joins Hastings for a grouse shoot, but one of their party is murdered.

Directors: Renny Rye
The Tragedy at Marsdon Manor
star
7.60
596 votes

#8 - The Tragedy at Marsdon Manor

Season 3 - Episode 6 - Aired 2/3/1991

Poirot is asked to solve a fictional murder, but then a real killing takes place nearby.

Directors: Renny Rye
The Double Clue
star
7.53
574 votes

#9 - The Double Clue

Season 3 - Episode 7 - Aired 2/10/1991

Poirot falls in love and finds a criminal intellect that pushes his own to the limit.

Wasps' Nest
star
7.41
705 votes

#10 - Wasps' Nest

Season 3 - Episode 5 - Aired 1/27/1991

Poirot suspects that an old friend's son and his fashion-model girlfriend are in danger.

Directors: Brian Farnham
The Mystery of the Spanish Chest
star
7.38
673 votes

#11 - The Mystery of the Spanish Chest

Season 3 - Episode 8 - Aired 2/17/1991

Poirot is asked to help a woman who lives in fear of her husband.

Directors: Andrew Grieve