Person of Interest Season 3 Spoilers: Episode 17 “/” (+Promo)Person of Interest Season 3 is set to return after a 2 week hiatus on Friday, March 18, 10:00 p.m. local time, on CBS.SavePrintCBSLarry OngJournalist3/17/2014|Updated: 7/18/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.