It’s never too early to give a heads up to a program on World War I. If you don’t already know, the PBS program American Experience will air “The Great War” next April, in time for the 100th anniversary of the American entry into the war. The program will run six hours over three nights.
From the American Experience website: http://www.pbs.org/wgbh/americanexperience/blog/2016/07/28/great-war-premiere-april-2017/
Check your local listings.