While trapped in a prison of their own minds at the hands of the chronicoms, Fitz and Simmons replay and relive old memories trying to find clues that will help them unlock time travel -- and unlock themselves. But things get emotional, as Fitz learns that not only did he die, but that he missed his own wedding to Simmons, and the death of Phil Coulson. From 'Inescapable,' Season 6, Episode 6 of Marvel's Agents of S.H.I.E.L.D. Watch Marvel's Agents of S.H.I.E.L.D. FRIDAYS 8|7c on ABC, streaming and on demand.