Journeyman

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.

4400 centers on the return of 4400 people who, previously presumed dead or reported missing, reappear on Earth. Though they have not aged physically, some of them seem to have deeper alterations ranging from superhuman strength to an unexplained healing touch. A government agency is formed to track the 4400 people after one of them commits a murder.

Coal Hill School has been a feature of Doctor Who since the first episode, but now we get to see the day-to-day adventures of the students coping with intrusions from space and time.

Johnny Smith discovers he has developed psychic abilities after a coma.

Anthology series of composed of distinct story episodes, sometimes with a plot twist at the end, with occasional recurring story elements that were often tied together during season-finale clip shows.

A mysterious criminal steals a secret state-of-the-art time machine, intent on destroying America as we know it by changing the past. Our only hope is an unexpected team: a scientist, a soldier and a history professor, who must use the machine's prototype to travel back in time to critical events. While they must make every effort not to affect the past themselves, they must also stay one step ahead of this dangerous fugitive. But can this handpicked team uncover the mystery behind it all and end his destruction before it's too late?

In the near future a new phenomenon starts happening all over the world with powerful flashes of light occurring in the ocean and people from the past mysteriously reappearing. Called "beforeigners," these people come from three separate time periods: the Stone Age, the Viking era and late 19th century. A couple of years later, Alfhildr – who comes from the Viking Age – has to partner up with a burned-out police officer, Lars Haaland, to investigate the murder of a beforeigner. The pair begins to unravel a larger conspiracy behind the origin of the mysterious mass arrivals.

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

A Step into the Past is a 2001 Hong Kong television series produced by TVB and based on Huang Yi's novel of the same Chinese title. The series tells the story of a 21st-century Hong Kong VIPPU officer who travels back in time to the Warring States period of ancient China. He is involved in a number of important historical events that leads to the first unification of China under the Qin Dynasty. The series' first original broadcast ran from 15 October to 7 December 2001 on the TVB Jade network in Hong Kong.

Crime drama series featuring Life On Mars' DCI Gene Hunt. After being shot in 2008, DI Alex Drake lands in 1981, where she finds herself in familiar company.

A probationary angel is sent back to Earth to team up with an ex-cop and help people.

Follows the exploits of Paul Serene and Martin Hatch of Monarch Solutions as well as three Monarch employees (Liam Burke, Charlie Wincott and Fiona Miller) as they fight to prevent or survive the approaching End of Time.

Josh Futturman, a janitor by day/world-ranked gamer by night, is tasked with preventing the extinction of humanity after mysterious visitors from the future proclaim him the key to defeating the imminent super-race invasion.

Megas XLR is a series about an overweight couch potato named Coop who stumbles across a giant robot in a junkyard. He soon discovers that the robot was sent from the future when a woman named Kiva returns to the past to claim what is rightfully hers, though Coop made so many modification to the machine so he's the only one who can fully operate it. Things also heat up when Coop learns that an alien race called the Glorft are also after his MEGAS robot, so he teams up with Kiva and his best friend Jamie to fight them off, though mostly so he can keep his new toy.

Shinpei Ajiro travels home to attend the funeral of a childhood friend, and finds the remote island plagued by a sinister, supernatural force.