Best Time Loop/Time Travel shows

Living among the citizens of the infamous New Mexico city of Roswell are some who are not there by choice. They are there to follow a destiny given to them by the members of their dying race, a race that they are someday destined to save. This is the background behind the WB series "Roswell". Max Evans, Isabel Evans and Michael Guerin are teenage humans with extraordinary gifts - gifts that are "not-of-this-earth". They are human/alien hybrids, sent here to complete their destiny. Their counterparts have already perished in a war of attrition, thus one day, they will return to their home planet and save their race. Before a fateful day in 1999, the teens hid their gifts. The event that forever changed their lives was when Max healed Liz Parker (a classmate) after she was fatally shot in the stomach in a dispute between two customers at the restaurant where she waitresses. A close relationship then develops between Max and Liz. Central to the first season were the relationships between the hybrids and their human companions. That focus has shifted during the drama's second season. "Roswell" is now distinctly a science-fiction show built on the relationships between humans and aliens.

A Dutch soldier in the 1600's saves the life of a native woman and is granted the power of eternal youth in return. In the 2000's he is a police detective in New York City, and after 400 years, knows just about everything about the way the criminal mind works.

Jason Ritter stars as Sean Walker, a regular guy who launches an investigation into the disappearance of his fiancee. What he doesn't realize is that his probe begins to expose the biggest cover-up in American history. Walker's actions affect a number of strangers, including the newly elected president (Blair Underwood), and the global conspiracy he's uncovered could change the fate of mankind.

People all over the U.S and the world start to realize they have special abilities, like telekinesis, healing abilities, flying powers, time travel, invisibility, and the ability to absorb other's abilities. One man, known as Sylar, wants to gain all the power of these "heroes" so he can be the most powerful and evolved human of all, and stops at nothing to gruesomely kill these people. In order to protect themselves from him, these people must help one another before Sylar can destroy them all, while they each deal with problems of their own.

Two agents from two different continents, and two different mindsets, must work together to investigate when wreckage from a destroyed alien spacecraft has mysterious effects on humankind.

The FBI teams up with a formerly-institutionalized scientist - who was performing experiments on the fringe of real science - and his son to investigate weird crimes that are seemingly part of a larger pattern, and may be connected with a global company called Massive Dynamic.

A Seattle family takes in an amnesiac teen (Dallas), whom they eventually learn has mysterious powers and psychic abilities, the result of a secret human cloning experiment conducted years earlier. The family helps teach Kyle human behaviors such as anger, joy and love, and guards him against forces who seek to use Kyle for their own nefarious purposes.

This series is set after the events of

The 4400 explores the travails of the 4400 people who all at once returned in a ball of light to Earth; though the returnees had not aged physically, many of them reappeared with dramatic abilities ranging from enhanced reflexes to precognition. NTAC (National Threat Assessment Command) is the government agency responsible for keeping track of the returnees and investigating all things related to the 4400.

The Supernatural phenomenon begins again with a fresh crop of inspiring heroes who take on the ultimate struggle between those with extraordinary abilities and those with nefarious motives to hunt and harness their powers. Epic adventures await these newly empowered allies as they cross paths with some of the original characters, unlocking the mysterious fate of the universe and their place within it.

A shadowy organization uses mind-wiped humans known technically as "actives" and colloquially as "dolls" who are imprinted with false memories and specialized skills for various tasks on behalf of paying clients. When they are not on assignments, they live in an underground "Dollhouse", a facility that protects and provides for their needs, including food, exercise and sleeping pods little bigger than coffins. One of the dolls, a young woman called Echo by her handlers, is slowly becoming aware of herself and what is going on. Meanwhile, at least two different people on the outside are trying to bring down the Dollhouse, one by finding Echo and the other by using her.

Not all aliens are nice and cute like Yoda, ET or ALF. When a race of reptilian-like aliens arrives on Earth in disguise as humans, they show their good intentions, but they have a more sinister plan to conquer our planet and destroy all human race on Earth.

John Doe is an intelligent adventure series, named after the main character, albeit not by name: 'John Doe' is called thus because nobody knows the name of the man who literally fell from the sky, naked, in the sea near an obscure island. When Cambodian fishermen save him, it soon becomes clear his memory is in a paradoxical state: he has total amnesia concerning his own past, even his real name, but has more factual knowledge stored in his brain then even the Google computer banks on every possible other subject, as if he had memorized the Library of Congress, so one rarely needs to read anything when he's around. He also is intelligent and inquisitive enough to understand and use much of that knowledge, and keeps rolling into all kinds of weird mysteries, teaming up with various characters, each of which must first be convinced he's legit, such as police detectives Frank Hayes and Jamie Avery, but gets frustrated by finding his own story the most elusive, probably linked to some secret experiment.

A local news producer is given one chance to relive a deadly week and stop a serial killer. If she fails, she'll lose her daughter forever.

Secret Service agent Ethan Burke arrives in the bucolic town of Wayward Pines, ID, on a mission to find two missing federal agents. But instead of answers, Ethan's investigation only turns up more questions. What's wrong with Wayward Pines? Each step closer to the truth takes Ethan further from the life he knew, from the husband and father he was, until he must face the terrifying reality that he may never get out of Wayward Pines alive.

Johnny Smith has been leading an idyllic small-town life. Employed as a science teacher, Johnny takes great pleasure in showing his young students the wonders of the natural world. He is also newly-engaged to a loving fiancée named Sarah, a fellow teacher he's known since childhood, and is a good son to his widowed mother, who lives nearby. Johnny's life is nearly perfect, until the day his life is interrupted by a nearly fatal car crash that leaves him in a deep coma. Six years later, Johnny finally regains consciousness and discovers that life as he once knew it has completely changed. His mother has passed away, and Sarah has gone on to marry someone else, and now has a son. But Johnny himself is also not the same person he once was: he now finds himself in possession of amazing psychic powers which allow him to see into the lives of anyone he touches. Now, as Johnny attempts to reacquaint himself with a life he has been away from for six years, he must also begin a quest to come to terms with his new abilities, abilities that may turn out to be both a blessing and a curse. Helping Johnny make a fresh start are his physical trainer Bruce, who also becomes a close friend; his mother's priest, Gene Purdy, who sets up a trust fund for Johnny, but may not be looking out for Johnny's best interests; and Sarah, who must find a way to make Johnny a part of her life again without risking her relationship with her husband and son.

Refugees from a war-torn country 180 years in the future start showing up in the present to seek asylum in an American town.

Under the Dome is the story of a small town that is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome. The town's inhabitants must deal with surviving the post-apocalyptic conditions while searching for answers about the dome, where it came from and if and when it will go away.