changing the past or future

The ultimate X-Men ensemble fights a war for the survival of the species across two time periods as they join forces with their younger selves in an epic battle that must change the ...

The series picks up four years after the events of Terminator 2: Judgment Day with John and Sarah Connor trying to stay under-the-radar from the government, as they plot to destroy the ...

Theorizing that one could time travel within his own lifetime, Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished... He woke to find himself trapped in the past, ...