It has been announced that the 4th season of Person of Interest shall be returning on September 23, 2014 — in it’s regular Tuesday timeslot!
Tuesday, Sept. 23: The season premiere of NCIS (8:00-9:00 PM) leads into the series premiere of its new spinoff, NCIS: NEW ORLEANS (9:00-10:00 PM), and PERSON OF INTEREST (10:00-11:00 PM).
Source: CBS