Theorizing that he could time travel within his own lifetime, Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished. He woke trapped in the past. His only guide is Al, who appears in the form of a hologram that only Sam can see and hear.

Doctor Who: Series Nine draws to its epic conclusion. Faced with monsters and threats bigger than any he has ever experienced, the Doctor risks losing everything he holds dear.

The Stargate is an intergalactic gateway, developed by an ancient civilization, that links other planets from other solar systems to ours. The U.S. Air Force assembles a Stargate team headed by Colonel Jack O'Neill for interstellar peacekeeping missions.

Something strange has happened to Makoto Konno. Time has suddenly stopped and moved her backwards. Unfortunately, her carefree time-traveling has adverse effects on the people she cares for.

Kiera Camerion, a cop from the year 2077, finds herself trapped in the present day desperately trying to stop a terrorist group from the future before they can change the course of history forever. In Season Two, Kiera continues her uneasy alliance with Vancouver Police Detective Carlos Fonnegra and grapples with the big question: why was she sent here?

Claire Randall is a married combat nurse from 1945 who is mysteriously swept back in time to 1743. She is immediately thrown into an unknown world where her life is threatened. When she is forced to marry a chivalrous and romantic young Scottish warrior, a passionate affair is ignited that tears Claire's heart between two vastly different men in two irreconcilable lives.

In the year 2077, the ruthless leaders of the terrorist group Liber8 escape execution by time traveling to 2012, taking tough-as-nails cop Kiera Cameron with them. A stranger in a strange land, Kiera poses as a government agent and joins forces with police detective Carlos Fonnegra and teen tech wizard Alec Sadler to capture the terrorists before they can alter the future and turn the world upside down.

The Tenth Doctor and his companion Martha Jones travel across space and time in another set of thrilling adventures. Along the way, Carey Mulligan guest stars in the episode that introduces the terrifying Weeping Angels, Torchwood₂s Captain Jack takes the Doctor and Martha on a trip to the end of the Universe, and in the thrilling two-part series three finale, the Master hatches a plan to enslave the entire population of the Earth and only Martha...

In the year 2149, humanity on earth is about to become extinct. In an experiment, some are able to time travel 85 million years into the past to try to colonize and begin life on Earth anew. The Shannon Family is sent back in time, and their fight for survival includes dinosaurs and other prehistoric creatures, as well as a mysterious force trying to destroy their experiment and all those involved.

Marty, Emmett, and Clara travel back to Victorian England where Ebiffnezer Tannen kidnaps Clara and a young pickpocket swipes the keys to the DeLorean.