A Time Called You is a Korean romantic comedy series created by Choi Hyo-bi. The Netflix series is based on a Taiwanese series named Someday or One Day and it follows the story of Jun-hee, a woman who is still grieving the loss of her boyfriend but she somehow travels back in the body of an 18-year-old girl as she comes to term with her new reality she meets Si-heon, a guy who looks just like her lost love. So, if you loved A Time Called You here are some similar shows you could watch next.
See You in My 19th Life (Netflix)

Synopsis: Ban Ji-eum can endlessly reincarnate. But when her 18th life gets cut short, she dedicates the next one to finding her now grown-up childhood love.
Life on Mars (Britbox & Prime Video Add-On)

Synopsis: A fast-paced, suspenseful crime series with a twist. After a near-fatal car accident, smart, savvy, sharp-suited detective Sam is mysteriously transported back to 1973 – only four years after he was born. Confused by his new and outdated surroundings, Sam impatiently tries to return to the present, but the police force of long ago needs his help.
Tunnel (Not Streaming in the US)

Synopsis: Park Kwang-ho is a policeman in a criminal case squad. Living in 1986, he is investigating a serial homicide. However, the case is blurred and the number of victims is increasing. The police is clueless. While tracking the suspect to a tunnel, he is attacked. When he wakes up, he is surprised to find himself in the year of 2016 and accidentally replaces a police officer with the same name born in 1988. So Kwang-ho stays in 2016 to continue his “hunting journey”.
Melting Me Softly (Viki)

Synopsis: It’s a story about a man and a woman who participated in a project to be frozen for 24 hours, only to be awakened 20 years later due to a mysterious scheme. Once out of the freezer, the two experience a dangerous side effect from the project wherein they must maintain a core body temperature of 31.5 degrees Celsius (approximately 88.7 degrees Fahrenheit) to survive. Coupled with the warming of their hearts from the romantic attraction, they find themselves in a sticky situation. Ma Dong Chan is a star variety show PD, who makes hits out of every show he creates. He decides to personally participate in his show called “Frozen Human Project,” but instead of waking up 24 hours later, 20 years have passed when he opens his eyes. Everyone he knows has aged 20 years, while he has maintained his perfect physique and youth from before he was frozen.
Abyss (Netflix)

Synopsis: Abyss is a fantasy drama that tells a story of two people who are brought back to life with the help of a soul-reviving marble called ‘Abyss.’ Go Se-yeon and Cha Min are revived with completely different appearances. Go Se-yeon is a strikingly beautiful prosecutor who is reincarnated as a lawyer with an ordinary look. Cha Min is a smart, rich yet unattractive businessman who is reborn with the most handsome face ever.
Someday or One Day (Not Streaming in the US)

Synopsis: The year is 2019. The 27 year-old Huang Yu Xuan terribly misses her boyfriend Wang Quan Sheng, who has been missing for two years and is presumed dead. Her birthday wish for this year is to “see him.” The year is 1998. The 17 year-old Chen Yun Ru is in love with a boy who doesn’t feel the same way for her. Her birthday wish for this year is to “become the girl Li Zi Wei likes.” One day, Huang Yu Xuan receives a walkman and a music cassette from an unknown person. She falls asleep listening to its songs and wakes up to see Wang Quang Sheng sitting by her side. She believes she has finally been reunited with her boyfriend, but there’s a very big twist. She learns that she is no longer a 27-year-old woman but a high schooler named Chen Yun Ru, who is in the hospital recuperating from a head injury. And the man by her bedside is not her boyfriend after all, but a schoolmate named Li Zi Wei. Trapped in what appears to be the past, living another person’s life, Chen Yun Ru’s death in 1999 will be her death if she doesn’t figure out how the girl landed in the hospital. All the while, Li Zi Wei finds himself strangely drawn to the girl who used to be Chen Yun Ru, despite the fact that he knows his closest friend Mo Jun Jie has had a crush on her… Can true love find a way to bridge a seemingly insurmountable time gap?
Destined With You (Netflix)

Synopsis: A lawyer bound by a centuries-old curse becomes entangled with a civil servant who holds the key to his freedom — igniting an unexpected romance.