Agents of S.H.I.E.L.D. Season 1: After Episode 16, watch Captain America: The Winter Soldier, then continue the rest of the season.

Agents of S.H.I.E.L.D. Season 2: After Episode 19, pause and watch Avengers: Age of Ultron, then finish the remaining 3 episodes.

Agents of S.H.I.E.L.D. Season 3: Around Episode 19, watch Captain America: Civil War (the Sokovia Accords impact the rest of the season),…