Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.

Imagine having the power to change history. Would you journey down the "rabbit hole"? This event series follows Jake Epping, an ordinary high school teacher, presented with the unthinkable mission of traveling back in time to prevent the assassination of John F. Kennedy on November 22, 1963. Jake travels to the past in order to solve the most enduring mystery of the 20th century: who killed JFK, and could it have been stopped? But as Jake will learn, the past does not want to be changed. And trying to divert the course of history may prove fatal.

When heroes alone are not enough… the world needs legends. Having seen the future, one he will desperately try to prevent from happening, time-traveling rogue Rip Hunter is tasked with assembling a disparate group of both heroes and villains to confront an unstoppable threat — one in which not only is the planet at stake, but all of time itself. Can this ragtag team defeat an immortal threat unlike anything they have ever known?

The show follows the journey of a time traveler, Cole, from the post-apocalyptic future. Using a dangerous and untested method of time travel, Cole arrives in the present day on a mission to locate and eradicate the source of a deadly plague that will eventually decimate 93.6% of the human race. Will Cole be able to save the fate of mankind or is mankind bound by fate? Taking place in the ravaged future of 2043 and the present day, 12 Monkeys explores themes of destiny, fate, love and the possibility of second chances.

Outlander tells the story of married World War II combat nurse Claire, who accidentally steps back in time to the year 1743 where she is “immediately thrown into an unknown world of adventure that sends her on the run and threatens her life.” Claire is forced to marry a chivalrous and romantic young Scottish warrior named Jamie, igniting a passionate affair that tears Claire’s heart between two vastly different men in two irreconcilable lives.

In this modern-day twist on Washington Irving's classic, Ichabod Crane is resurrected and pulled two and a half centuries through time to unravel a mystery that dates all the way back to the founding fathers. Revived alongside Ichabod is the infamous Headless Horseman who is on a murderous rampage in present-day Sleepy Hollow. Ichabod quickly realizes that stopping Headless is just the beginning, as the resurrected rider is but the first of the Four Horsemen of the Apocalypse and only one of the many formidable foes that Ichabod must face to protect not only Sleepy Hollow, but the world.

Kiera Cameron (Rachel Nichols), a Vancouver City Protective Services officer, is transported from the year 2077 to 2012 when eight ruthless terrorists, known as Liber8, attempt to escape execution through time travel. With the help of 17 year old tech genius Alec Sadler (Erik Knudsen) and VPD officer Carlos Fonnegra (Victor Webster), Kiera must survive in our time period, and capture Liber8 before they can alter the course of history and change the future.

Detective Rebecca Madsen and Alcatraz historian Doctor Diego Soto team up with a secret agency that is dedicated to finding and catching inmates from the infamous prison who went missing 50 years ago and are reappearing today. The special task force includes Emerson Hauser and Doctor Lucy Banerjee.

Terra Nova follows an ordinary family on an incredible journey back in time to prehistoric Earth as a small part of a daring experiment to save the human race. In the year 2149, the world is dying. The planet is overdeveloped and overcrowded, with the majority of plant and animal life extinct. The future of mankind is in jeopardy, and its only hope for survival is in the distant past.

The series tells the story of New York City police detective Sam Tyler (played by Jason O'Mara), who, after being struck by a car in 2008, regains consciousness in 1973. Fringing between multiple genres, including thriller, science fiction and police procedural, the series remained ambiguous regarding its central plot, with the character himself unsure about his situation.

The series follows a Federal Bureau of Investigation "Fringe Division" team based in Boston. The team uses unorthodox "fringe" science and FBI investigative techniques to investigate a series of unexplained, often ghastly occurrences, some of which are related to mysteries surrounding a parallel universe.

"I saw amazing things, out there in space. But there is strangeness to be found wherever you turn. Life on Earth can be an adventure too... you just need to know where to look!" Ms. Sarah Jane Smith is back in action, discovering alien plots to take over the world, or simply helping a lost one get home... Sarah Jane and her new friend Maria Jackson, and her newly (and genetically grown) adopted son Luke Smith have no problem taking on any challenge.

Captain Jack Harkness is a man from the 51st century trapped in the past who leads the last remnants of the Torchwood Institute, a top secret British agency outside the government whose job it is to investigate alien goings on in the world, act in mankind's best interest, and, if needed, be the Earth's last line of defense.

A detective chief inspector from 2006 is investigating a serial killer when he is knocked over by a speeding car. Waking up, he finds himself mysteriously transported back in time to 1973. Initially struggling to come to terms with his situation, he has to come to terms with the old-fashioned technology and attitude of the day, while figuring out how he came to be trapped in the past. The actor John Simm described the show as "a cross between Back to the Future and The Sweeney", and it makes effective use of the disorientation of the unwitting time traveller while taking a post-modern romp through 1970s fashions and technologies, with due tribute paid to the classic police dramas of the day to fashion a truly unique programme.

The Doctor looks and seems human. He's handsome, witty, and could be mistaken for just another man in the street. But he is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living – more of a hobby actually, and he's very, very good at it. He's saved us from alien menaces and evil from before time began – but just who is he?

After their plane, Oceanic Air flight 815, tore apart whilst thousands of miles off course, the survivors find themselves on a mysterious deserted island where they soon find out they are not alone.

This is the story of four astronauts, a scientist, and a television news reporter. During a routine shuttle mission in 2007, they watch in astonishment as the Earth rapidly dissolves into a fiery ball and then suddenly implodes. Resigned to death, the crew is saved by an alien known only as the Seeker. The Seeker has been trying to discover what is causing the destruction that has befallen the Earth and many other planets. He has always arrived too late, until now. He offers the crew of the Odyssey a chance to go back in time five years, try to find out what will cause the Earth to explode and prevent it. While the team searches for the truth and for who or what is behind it, they must also deal with being back in the past with memories of what is to come. Along the way they learn that their actions in the past can have a direct outcome for the future.

"Ever wish you could live your last week all over again? Well, my name's Frank B. Parker, and I do it all the time. I work for a secret government project experimenting in time travel. When things really get screwed up, I'm the guinea pig they send back to take care of it. The catch is, I can only go back 7 days."

Timecop follows the adventures of Jack Logan, a time traveler with the TEC (Time Enforcement Commission) from 2007, who hunts down rogue travelers and brings them to justice before they can alter the past. The show is based on the film "Timecop" (1994).

In his basement in San Francisco, boy-genius Quinn Mallory unlocks the doorway to an infinite number of Earths. During a test run, Quinn invites co-worker Wade Wells and his teacher Professor Maximillian Arturo to see his new invention. But an increase in power and an early departure leave all three, plus a washed-up soul singer named Rembrandt "Crying Man" Brown, lost in a parallel world. Now they must "slide" from world to world, not only adapting to their changing surroundings, but also trying to get back to their world. Will they ever make it home? Over the years, Sliders has become one of the most praised sci-fi shows of the 90's. The show has gained a cult following that rivals such longer running shows as Stargate SG-1 and even the Star Trek franchise. For years people have been asking for it to return to FOX with the original cast, or at least a major movie made.