Marvel's Agents of S.H.I.E.L.D. - Season 7 Episode 4 Out of the Past Not all heroes are super.
Overview: It was just another average morning on July 22, 1955, when Agent Phil Coulson realized the importance of that day in the S.H.I.E.L.D. history books. With a chip on his shoulder and a genre-bending glitch in his system, he’d set into motion a chain of events that would hopefully preserve the timeline as we know it and ensure those pesky Chronicoms get the ending they deserve. What could go wrong?