"The Patriot"
Jan. 17 (10:00-11:00 p.m. EST)
Separated from their team, Coulson and Mack discover a shocking secret about Mace, leaving all of S.H.I.E.L.D. in a precarious position, on "Marvel's Agents of S.H.I.E.L.D.," airing Jan. 17 (10:00-11:00 p.m. EST), on ABC .
