Shadowsmarvel's Agents Of S.h.i.e.l.d. : Season... Now

"Shadows" effectively transitioned the show from a "case-of-the-week" procedural into a serialized spy thriller. It established a world where S.H.I.E.L.D. was no longer a powerhouse with infinite resources, but a small group of survivors trying to preserve their legacy in a world that no longer trusts them.

: This Kree artifact is established as a central mystery. It is lethal to anyone who touches it without the "gift," a clear setup for the eventual introduction of Inhumans. ShadowsMarvel's Agents of S.H.I.E.L.D. : Season...

: A major emotional beat reveals that Leo Fitz is suffering from severe brain hypoxia following the events of the Season 1 finale. He hallucinating Jemma Simmons to help him cope with his impaired cognitive functions. ShadowsMarvel's Agents of S.H.I.E.L.D. : Season...