Foyle's War (2002–2015)
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Bad Blood 

Foyle investigates a mysterious disease affecting local farm animals and looks into the stabbing of a war hero.


Jeremy Silberston


Anthony Horowitz (written and created by)



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Episode cast overview, first billed only:
Peter Sandys-Clarke ... Mark Wilcox
Ben Meyjes Ben Meyjes ... Simon Higgins
Philip Franks Philip Franks ... Captain George Halliday
Honeysuckle Weeks ... Samantha Stewart
Jonah Lotan ... Joe Farnetti
Michael Kitchen ... Christopher Foyle
Jay Simpson ... Sergeant Ian Brooke
Anthony Howell ... Sergeant Paul Milner
Caroline Martin ... Edith Ashford
Tom Harper ... Leonard Cartwright
Roy Marsden ... Ted Cartwright
Kenneth Colley ... Brian Jones
Gawn Grainger ... DCS David Fielding
Tim Delap ... Martin Ashford
Anthony Flanagan ... Tom Jenkins


August 1942: A truck drops a sheep while driving through farmland. Nearby animals start dying, then a farmer's daughter, and Sam falls ill. Then cows fall sick and mysteriously disappear. Foyle's inquiries lead him to work on biological warfare and the search for a cure for Sam, as her illness looks terminal. Meanwhile, Sgt. Milner investigates the murder of a war hero by a conscientious objector, who happens to be the brother of a past love of his. Written by N. R. Badnell

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Crime | Drama | Mystery | War

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Release Date:

22 January 2006 (UK) See more »

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Did You Know?


The murder weapon is a veterinary trocar. Cattle can develop bloat, trapped gas in their stomachs, severe enough to kill the animal. A trocar is punched through the animal's side, into its stomach, and the high pressure gas is released. Rather like stabbing a car tire. See more »


When Joe Farnetti is describing California to Sam, he says that "even Lassie has a limousine". While released as a novel in 1940, the first Lassie movie was not made until 1943, the year after this episode was set. See more »


[first lines]
Mark Wilcox: Simon?
Simon Higgins: Good morning, Mark.
Mark Wilcox: How are you?
Simon Higgins: Just missed the quack. No change I'm afraid.
Mark Wilcox: But you are going to be all right?
Simon Higgins: Apart from being blind, you mean?
Mark Wilcox: You shouldn't have done it.
Simon Higgins: Oh, it's only temporary, Mark; I'll be fine. What about the new test?
Mark Wilcox: We're going ahead now.
See more »

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User Reviews

A Goof!?
11 February 2007 | by donflo-2See all my reviews

Realising that there are now fewer and fewer viewers who actually lived through the war years in Britain, the accuracy of the scene setting and events is remarkably good. However, in 'Bad Blood'- which we were told was set in 1942 - one of the Anthrax victims (Sam) was cured by using Streptomycin. This wasn't even developed until October 1943 (by Rutgers, in America) and only released for restricted use (i.e. NOT for general hospital use) until the following years. I am also baffled to remember any effort or 'campaign' (apart from the usual wartime shortages), to save light bulbs? Neither can I find a reference to it. However, that is quibbling and generally the programs are excellent, very authentic and almost scarily evocative of living through those days.

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