Shows like Quantum Leap

"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."

The Doctor 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 the Doctor's very, very good at it.

Captain Dylan Hunt and his crew quest to restore a government that once presided over an extended peace and prosperity.

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?

Set fifteen years in the then-future year 1983, the series tells the tale of the crew and passengers of a sub-orbital transport ship named Spindrift. In the pilot episode, the Spindrift is en route from Los Angeles to London, on an ultra-fast sub-orbital flight. Just beyond Earth's boundary with space, the Spindrift encounters a magnetic space storm, and is dragged through a space warp to a mysterious planet where everything is twelve times larger than on Earth, whose inhabitants the Earthlings nickname "the Giants". The Spindrift crash-lands, and the damage renders it inoperable.

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.

Refugees from a war-torn country start showing up to seek asylum in an American town. Only the country these people are from is America and the war they are fleeing is 250 years in the future. The local sheriff with a past, a federal agent and a mother in search of her missing refugee daughter drive this allegory with a surprising conspiracy at the center.

Follow the adventures of Steve Austin, cybernetically enhanced astronaut turned secret agent, employed by the OSI, under the command of Oscar Goldman and supervised by the scientist who created his cybernetics, Rudy Wells. Steve uses the superior strength and speed provided by his bionic arm and legs, and the enhanced vision provided by his artificial eye, to fight enemy agents, aliens, mad scientists, and a wide variety of other villains.

A freak accident during an experimental space mission catapults Astronaut John Crichton across a thousand galaxies to an alien battlefield.

Pulled to the far side of the galaxy, where the Federation is 75 years away at maximum warp speed, a Starfleet ship must cooperate with Maquis rebels to find a way home.

Detective Raimy Sullivan is stunned when a voice suddenly crackles through her father’s old, long-broken ham radio – it’s Frank Sullivan, somehow transmitting over the airwaves and through the decades from 1996. Separated by twenty years, father and daughter have reunited on a frequency only they can hear, but can they rewrite the story of their lives without risking everyone they love?

An anthology series containing drama, psychological thriller, fantasy, science fiction, suspense, and/or horror, often concluding with a macabre or unexpected twist.