The third season of Poirot consists of 10 episodes, all adapted from short stories, and was broadcast in 1991. 1. How Does Your Garden Grow? 2. The Million Dollar Bond Robbery 3. The Plymouth Express 4. Wasps' Nest 5. The Tragedy at Marsdon Manor 6. The Double Clue 7. The Mystery of the Spanish Chest 8. The Theft of the Royal Ruby 9. The Affair at the Victory Ball 10. The Mystery of Hunter's Lodge