As Izel tries to get Sarge to cast off the vessel that is Coulson's likeness and help her bring back the shrike, May appeals to the increasing humanity inside of him. She reminds him of all the things Coulson would know, things that Sarge is slowly gaining awareness of -- but then Sarge does the unthinkable. From 'The Sign,' season 6, episode 12 of Marvel's Agents of S.H.I.E.L.D. Watch full episodes of Marvel's Agents of S.H.I.E.L.D. on ABC, streaming and on demand.