Si lo hubiera sabido

Yun Hae Jun is the youngest anchor to ever work at his broadcasting station. He is calm and straightforward as a journalist and kind in his personal life. On the other hand, Baek Yun Yeong dreamed of becoming a writer but wound up working at a publishing company. The two somehow travel back in time to the year 1987. There, Yun Hae Jun tries to find the truth behind a serial murder case, while Baek Yun Yeong attempts to prevent her parents from marrying. They soon realize that their objectives are connected.

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 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".

It's the 30th century and time travel is illegal. To help monitor and police time crimes, the Time Protection Department is founded. But when Don Dolnero and his nefarious gang manage to trick four new TPD cadets into allowing them travel to the 20th century, the four cadets are forced to pursue them for the sake of history. There, in a time foreign to them, the cadets enlist Tatsuya Asami, a young martial artist, to aid their mission. Together, these five youngsters become the Timerangers. And though they try to live as ordinary 20th-century citizens, the Timerangers dedicate their lives to stopping Dolnero and others that may follow in his footsteps, attempting to forever alter the proper timeline!

Matsuoka plays the role of Ogure Teppei, a 35-year-old policeman who dreams of being promoted to the First Investigation Division. One day, he suddenly slips back in time to 22 years...

Pornwi was granted by the miracle that she can travel through time, so she can experience many kinds of love.

The Visitor from the Future is a cross-media series that combines comedy and science fiction. Since its launch in April 2009, it was viewed 5 million times on the French web and was aired on the TV channel NOLIFE.

Tom Long is staying at his Aunt and Uncle's. When their grandfather clock strikes 13, he discovers a portal to the Victorian age, where he meets an orphan girl named Hattie.

Months after a crushing breakup, a man receives a mysterious package that opens a portal to the past -- and gives him a chance to win back his ex.

The alien invader Goa plots to conquer planet Earth. He first warns the Murakami family (father Atsushi, mother Tomoko, and son Mamoru) of their invasion, and demonstrates his powers by transporting them to a prehistoric jungle and destroying a giant dinosaur before their very eyes. But they will not agree to surrender to Goa, so hope comes in the form of Magma, an armored, golden giant with long hair and antennae. He and his human-sized wife Mol — both created by the wizard Earth — are sent to defend our world against Goa. They befriend Atsushi and Mamoru, the latter has Magma emotionally touched since he wanted to have a child with Mol, so Earth creates a duplicate of Mamoru, named Gam Earth, and gives Mamoru a whistle, with which he can call Gam, Mol, and Magma in times of crisis. So when Goa unleashes his various daikaiju, chances are, Magma, Mol, and Gam will fly to the rescue.

The year is 2020. Fifteen-year-old Noah lives with his family in the futuristic underground community of North Col. The world above is a frozen wasteland after a massive comet strike destroyed all other life in the world including the animals. One night, he accidentally time travels to the future and finds himself trapped in the year 2085 in a desolate desert place called Haven with a group of children, the Nomads, led by Arushka.

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.

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.

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.

A woman from the future arrives at a fantasy-like universe to experience love for the first time. She goes by the name Chun Hua and falls into a complicated romance with two young men who are opposites like black and white.

Odyssey 5 is a Canadian science fiction series that first ran in 2002 on Showtime in the United States and on Space in Canada. Odyssey 5 is the brainchild of Manny Coto, who served as a script-writer and executive producer during the series run. Through his website and in interviews, Coto has expressed his interest in returning to the series at some point, either continuing it or giving it a conclusion.

The drama tells the story of a group of online game experts. Because of a bug, they get drawn into the game. The border between the real world and the gaming world begins to blur.