SECRETS OF THE DEAD

8 p.m. on PBS 12, PBS 44

Bestselling historian and brother to the late Diana, Princess of Wales, Charles Spencer, may reside on top of the greatest British archaeological find of the century. Olletorp, an Anglo-Saxon village dating back 1,000 years and listed in the Domesday book, is buried beneath the Spencer estate. Archaeologists from Oxford dig and find no medieval village, but just as they’re about to give up, a far more significant

discovery is made in the Season 20 premiere episode “Archaeology at Althorp.” (Season Premiere) (N) hÅ