This episode is based on Agatha Christie's short story The Jewel Robbery at the Grand Metropolitan, which was part of a collection called Poirot Investigates (1924). The story was first published under the title The Curious Disappearance of the Opalsen Pearls in The Sketch magazine on 14 March, 1923.
This was the last 1-hour episode of the series.
S 12 : Ep 3
Aired 12/25/10 (1:29:00)
S 11 : Ep 4
Aired 12/25/09 (1:34:00)
S 11 : Ep 3
Aired 9/28/08 (1:34:00)
S 11 : Ep 2
Aired 9/21/08
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