Agatha Christie's Poirot - Season 3 - Eps 9: The Theft of the Royal Ruby
Poirot prepares to spend a quiet Christmas on his own with a box of chocolates, but he has to give up his plans when the British government asks for his urgent help. Prince Farouk, a young member of the Egyptian royal family visiting London, has lost a famous ruby, and this is deemed to be a matter of national security.
About Agatha Christie's Poirot

Title: Agatha Christie's Poirot
First Air Date: 1989-01-08
Last Air Date: 2013-11-13
Status: Ended
Rating: 8.144/10 (from 492 votes)
Language: EN
Seasons: 14
Total Episodes: 70
Network: ITV1
Genres: Crime, Drama, Mystery
Production Companies: The Computer Film Company, Picture Partnership Productions, Carnival Films, LWT, GBH, A+E Studios, Agatha Christie Limited, Masterpiece, Granada Productions
Synopsis
From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.
Cast

David Suchet
Hercule Poirot