Marvel's Agents of S.H.I.E.L.D. (2013)

S6E12 The Sign

Title: The Sign Plot: As the clock ticks down, the team must embark on a perilous journey through the depths of hell to prevent an impending apocalypse. Faced with unimaginable challenges, they must summon all their courage and resourcefulness to confront the darkness that threatens to consume everything they hold dear. The stakes have never been higher, and the fate of the world hangs in the balance as they race against time.