The End of Eternity

by Isaac Asimov

Andrew Harlan, Technician in the everwhen of Eternity, falls in love and starts a chain of events that could lead to the end of everything.

— Michael Main

He had boarded the kettle in the 575th Century, the base of operations assigned to him two years earlier. At the time the 575th had been the farthest upwhen he had ever traveled. Now he was moving upwhen to the 2456th Century.

The End of Eternity by Isaac Asimov (Doubleday, August 1955).

The Adam Project

by Jonathan Tropper et al., directed by Shawn Levy

In 2050, time jet pilot Adam Reed steals a jet and heads back to 2018 to save his stranded wife, but he gets waylaid in 2022 where his 12-year-old self is the only hope to save the mission.

— Michael Main

Young Adam: I mean if this is happening to me, that means that it already happened to you—right?—unless it works more like a multiverse where each ripple creates an alternate timeline—
Middle-Age Adam: It isn’t a multiverse! My god, we watch too many movies.

The Adam Project by Jonathan Tropper et al., directed by Shawn Levy (Netflix, worldwide, 11 March 2022).

Delayed Change to a Timeline

Timeline Specifics