Si lo hubiera sabido

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

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.

Meet the Diffy family, a futuristic family from the year 2121. When the eccentric dad, Lloyd, rents a time machine for their family vacation, everyone is excited. But then something goes wrong. Their time machine malfunctions and they are thrown out of the space/time continuum in the year 2004.

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.

Mayuko Chigasaki is an ordinary girl from the countryside, who now is attending university in big city Tokyo. She struggles each day to make ends meet while studying for her exams, barely scraping up the yen to afford bus fare to and from school. And at the end of the day, she comes home to a gluttonous, freeloading alien living in her closet!

A great warrior is displaced to the distant future by the evil shape-shifting wizard Aku. The world has become a bleak place under the rule of Aku, segregated into fantastic tribes and ruled by Aku's evil robot warlords. Jack travels this foreign landscape in search of a time portal that can return him to his home time so he can "undo the future that is Aku!".

A grieving woman magically travels through time to 1998, where she meets a man with an uncanny resemblance to her late love.

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.

Doraemon is an anime TV series created by Fujiko F. Fujio and based on the manga series of the same name. This anime is the much more successful successor of the 1973 anime.

Upon hearing of Ushio's death, Shinpei returns to his hometown of Wakayama City on Hitogashima and reunites with his childhood friend's family. The funeral goes smoothly, but under the surface something strange is brewing on the island. What mysteries await him on this secluded summer island?

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.

During the Han Dynasty, Zhen Jun is driven off a cliff in a struggle for leadership of his family. Saved from plummeting to his death by a being from outer space, Zhen Jun is placed in a healing, deep sleep. In the year 2020, Zhen Jun wakes to find his prolonged sleep has granted him super human abilities. A time travel adventure now begins.

Supernatural girl Ye Luo accidentally forms a contract with the enigmatic ninth lord, Cang Lanye, who shifts between humanoid and half-demon forms. As their reluctant partnership deepens into love, Cang Lanye must distance himself to control his unstable powers, putting their bond to the ultimate test.

A truly amazing, fantastical, science fiction, funny and odd, and sometimes scary, sad and endearing anthology series presented by Steven Spielberg with guest appearances by many famous actors, actresses, and directors.

In a futuristic world almost barren of life, mankind is confined to mechanized domed cities where A.I.’s control all aspects of life. In this world, humans are no longer born, they are manufactured in a production line; and alongside them live androids known as autoreivs. Within one of these domed sanctuaries named Romdeau lives Re-l Mayer, one of a few citizens who aren’t entirely prevented from thinking. Her grandfather's prominent position and the affection of the scientist Daedalus have left her more free will than is normally allowed, but Re-l has started to question the sanctity of the city and the citizens' perfect way of life. With mysterious beings known as proxies causing havoc and a man named Vincent causing great influence on her life, Re-l must travel outside of the city to find the answers she seeks and discover the mystery behind "the awakening".

Lu Fanfan, Liu Ruochen's nutritionist, falls for him but is rejected. After resigning and moving into her own place, she mysteriously travels back in time and meets Liu Ruochen as a 20-year-old.

A British science fiction television programme that was produced by BBC Cymru Wales for CBBC, created by Russell T Davies and starring Elisabeth Sladen. It was a spin-off of the long-running science fiction show Doctor Who and focused on the adventures of Sarah Jane Smith, an investigative journalist who, as a young woman had numerous adventures across time and space with the Doctor.

An ordinary girl, Mo An'an, accidentally travels back a thousand years and meets Xiao Chu, a powerful duke of the Chu state whose influence spans the entire court. To change Xiao Chu's fate of being harmed by treacherous individuals, Mo An'an travels through time three times, experiencing a thousand years of angsty romance with Xiao Chu.

At the end of the calendar 2020, the continent of Stern, which has reached the end of civilization due to the exhaustion of magic elements, ushered in the destruction of the continent under the void storm. Ye Xuan, the last god of law in the mainland, unexpectedly awakened in the era of the prosperous magic civilization three thousand years ago and became an ordinary student at the Sith Magic Academy on the border of the Kingdom of Orlando in the northwest of the mainland. In order to save the mainland and prevent the end from coming, Ye Xuan began to explore the mystery of the dark turmoil that led to the depletion of magical elements in the mainland three thousand years ago, to prevent the mainland crisis.

The exploits a team of people whose job is to investigate the unusual, the strange and the extraterrestrial.