Feb 09, 2012 | WDC: 35.6 °F

Thursdays and Sundays are mystery nights on TV 26 and WETA HD. Join Sherlock Holmes, Poirot, Inspector Lewis, Wallander, and all your other favorite detectives as they find the clues, track the evidence, and in the end decide "whodunnit."
9:00 pm
Agatha Christie's Miss Marple: The Secret of Chimneys
"Miss Marple: The Secret of Chimneys," in which a weekend party hosted by Lord Caterham (Edward Fox) and attended by Marple (Julia McKenzie) leads to intrigue after one of the guests, Austrian count Ludwig Von Stainach (Anthony Higgins), goes missing.
10:30 pm
Poirot: The Third Girl
"Poirot: The Third Girl," in which Poirot investigates the blood-soaked death of a former nanny. A troubled young heiress (Jemima Rooper) claims responsibility for the deed, but the sleuth doubts her guilt.