Houdini and Doyle (2016)
0 revealing mistakes in show generally - chronological order
Starring: Michael Weston, Stephen Mangan, Emily Carey, Rebecca Liddiard
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Factual error: A bill is shown in close-up, and the amounts listed are in decimal money rather than pounds, shillings and pence. British currency was not decimalised until 1971. (00:10:35)