According to WTTW's Guide for November, "Elephants Can Remember" is scheduled for Thursday Nov13, from 8 to 9:30PM, followed by a repeat of "The Big Four". The following Thursday "The Labours of Hercules" debuts at 8PM, followed by a rerun of "Dead Man's Folly".
Thanksgiving has "Curtain" scheduled from 7 to 8:45 and apparently repeated from 8:45 to 10:47, followed by "Being Poirot", a repeat of the special with David Suchet.
There will probably be additional broadcasts on WTTW Prime and Create, I don't want to flip my computer 90 degrees to read the multi-channel schedule pages. And the final three episodes will be followed by ...
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... A PLEDGE WEEK!
Here's the Guide link:
http://www.wttw.com/res/pdf/guide/WWCIGuide_November_2014.pdf