2 new clips Episode 1.18: Agents of S.H.I.E.L.D. (2014)

With Colonel Glenn Talbot now on their trail, Coulson and his team seek refuge in the last place anyone would look, where they begin to uncover S.H.I.E.L.D.'s most dangerous secrets — secrets that could destroy them all.

Air date: April 15, 2014, on ABC