A mathematician tries to convince his machinist friend to travel through time with him, leading to a heated discussion of man’s hubris and the possible paradoxes that could open up if they disturb the time-space continuum.

A stranger from the faraway future appears in a young man's room in 1952 with an urgent mission.

A young man struggles to rationalize with fate as he watches the people he loves experience immense pain and suffering. As he learns more about the physics of the universe and slowly teaches himself how to travel through time, he begins experiencing surreal moments where he can actually see the alternative paths he and his loved ones could have taken, and how they would all have been different if they had.

A man who can travel through time and space finds himself a houseguest in the distant future.

Mrs. Berthelson is the only human that can travel through time, so she journeys to a post-apocalyptic Earth where she tries to sell life-saving supplies to the last surviving humans as they are about to escape the planet.

A mysterious character finds himself transported to the future while witnessing events from the past.

A woman tries to understand the space-time continuum and his love.

Three US time travelers in a Cold War alternative history get stuck in a time loop and decide to kill themselves to escape it. Unbeknownst to two of them, the attempt to cause their own demise will doom them to the time loop forever.

One late summer, a time-traveling couple and their daughter move into a house in the countryside. Their daughter soon develops a strong bond with the girl who lives across the street, but as the time-traveling parents prepare their family to jump to a new time, the two teenage girls face the terrifying prospect of losing their treasured friendship for good.

In the far future, an invention called "the prism" uses quantum mechanics to cause divergences in future timelines and create a means of communication across these alternate realities. Two different women explore the choices they have made in their own lives and the regrets they harbor--and have to figure out how to ultimately make peace with their decisions.