All spoilers are unmarked! Read on at your own discretion.
Note: Most of Series 1 to 3 and Series 5 are of Dramatic Hour Long format and mostly adapt the short stories, while Series 4 and Series 6 onward are feature-length episodes and mostly adapt the novels. The episodes are arranged in their original airing order in the UK.
Series 1 (1989)
- The Adventure of the Clapham Cook
- Murder in the Mews
- The Adventure of Johnnie Waverly
- Four and Twenty Blackbirds
- The Third Floor Flat
- Triangle at Rhodes
- Problem at Sea
- The Incredible Theft
- The King of Clubs
- The Dream
Series 2 (1990)
- Peril at End House (feature-length episode)
- The Veiled Lady
- The Lost Mine
- The Cornish Mystery
- The Disappearance of Mr Davenheim
- Double Sin
- The Adventure of the Cheap Flat
- The Kidnapped Prime Minister
- The Adventure of the Western Star
Series 3 (1990-91)
- The Mysterious Affair at Styles (feature-length episode)
- How Does Your Garden Grow?
- The Million Dollar Bond Robbery
- The Plymouth Express
- Wasps' Nest
- The Tragedy at Marsdon Manor
- The Double Clue
- The Mystery of the Spanish Chest
- The Theft of the Royal Ruby
- The Affair at the Victory Ball
- The Mystery of Hunter's Lodge
Series 4 (1992)
Series 5 (1993)
- The Adventure of the Egyptian Tomb
- The Underdog
- The Yellow Iris
- The Case of the Missing Will
- The Adventure of the Italian Nobleman
- The Chocolate Box
- Dead Man's Mirror
- Jewel Robbery at the Grand Metropolitan
Series 6 (1995-96)
Series 7 (2000)
Series 8 (2001-02)
Series 9 (2003-04)
Series 10 (2006)
Series 11 (2008-09)
Series 12 (2010-11)
Series 13 (2013)
- Elephants Can Remember
- The Big Four
- Dead Man's Folly
- The Labours of Hercules
- Curtain: Poirot's Last Case