Syfy has renewed 12 Monkeys for a fourth and final season, EW has learned exclusively.
EW can also reveal that the third season will debut on May 19 at 8 p.m. ET. In a surprising move, Syfy will air the entire 10-episode season over three consecutive nights starting Friday, May 19 and concluding Sunday, March 21 — the first four episodes will premiere on Friday, with three episodes airing each night on both Saturday and Sunday from 8 p.m.-11 p.m. ET.