Showcasing over 20 shows from 2010 up until 2021, OCN stands as a beacon of television excellence. Icons of OCN, God's Quiz and Bad Guys made their debut in 2010 and 2014, setting industry standards. Stay up-to-date with over 20 of OCN’s elite series, with our list refreshed for April 2026.

While investigating a serial murder case, Detective Han Tae Joo gets into a catastrophic incident. When he wakes up, he finds himself transported back to 1988, appointed to work at a police station in a small city. Believing he is there for a reason, he tries to solve the case from the past in hopes of finding a way back to his life in 2018.

A group of supernatural demon hunters known as "Counters," each with unique abilities, disguise themselves as employees of a noodle restaurant, while tracking down evil spirits that terrorize the mortal world.

Unpleasant events disturb the life of an aspiring crime fiction writer when he becomes a resident of an apartment building teeming with shady neighbors.

Four young men come to the rescue of a former classmate whose family has been sucked into the clutches of a religious cult and its charismatic leader.

A police detective from 1986 travels in time to the present to save his daughter.

Gil Soo-Hyun is extremely intelligent. At the age of 10, he attended Harvard University. After graduating there, he decided to work at the FBI and worked there for 10 years. Afterwards, he decided to come back to South Korea. He now works as the leader of the Special Missing Persons Unit. The unit deals with about 1% of special missing cases involving violent crimes. His appearance borders on perfection, but he holds a secret. Detective Oh Dae-Young joins the Special Missing Persons Unit. He has worked as a detective for 20 years and he has an obsession in observing the law. He is known as a master of missing person cases.

A Grim Reaper, a detective and a woman who foresees death get ensnared in matters of life and death -- and dark mysteries of twenty years past.

As a reference to Article 38 which pertains to tax payments, this special police unit utilizes the criminals' own tactics of scams and deceit to catch rich tax cheats.

A village holds spirits of missing, deceased people. A search to find the missing bodies and discover the truth behind their disappearance occurs.

To combat rising violent crimes, the Police Chief asks Detective Oh Goo Tak to form a team consisting of criminals. He is currently suspended from the police force for using excessive force. He then gathers team members: Park Woong Chul who is a gangster, Lee Jung Moon who is the youngest serial killer with extraordinary intelligence and Jung Tae Soo who is a contract killer. Police Inspector Yoo Mi Young also joins the team and she tries to have these guys work as a team by dealing with them rationally and sometimes emotionally.

The story about the revenge of four talented individuals in their respective fields who create an elite team to solve crimes.

Ki Moo-Hyeok, a lawyer with a high winning rate, only cares about money. Due to a murder case at a high school which he deals with, his reputation as a lawyer hits rock bottom. To regain his good name as a lawyer, he sneaks into the high school and work as a temporary teacher. He tries to reveal a secret which the students have, and gets involved with Teacher Ha So-Hyun, a P.E. teacher who loves her students. They then face the students'secret.

It's 3 minutes for hearers, but a life for the callers. A crime thriller chasing even the slightest sounds to rescue people's lives calling for urgent help.

Ordered to take down a villainous business leader who controls the city, a prosecutor gathers a team of men who may not be so clean themselves.

A partying chaebol has a one-night stand with a beautiful girl. When she joins his company years later, it is difficult to hide their secret romance.

Kang Woo Hyun is a respected anchor at a broadcasting station. He is a devout and happy father, who enjoys being surrounded by his charming family. He decides to try his luck in politics. One day, on a trip he makes with his family, a tragic incident happens. Meanwhile, Go Dong Kook, a veteran detective, who doesn't stop at anything until a case is solved, decides to take the case of Kang Woo Hyun and sets out to investigate what lies behind the tragic incident.

A police detective who loses everything to a criminal organization seeks payback when he gains special abilities through biotechnology.

Chimera incident, a serial murder and explosion crime that shook the year of 1984, takes place exactly the same thirty five years later in 2019. Just like the terrible explosion in the past, the murder of the crime is called Chimera, a monster in the Greek myth with the head of a lion, body as a goat, and tail as a snake that shoots fire through its throat.

Baek Shi-Yoon is an ex-secret agent. He is a well-trained human weapon. Hiding his past, he buys the bar "Neighborhood" and runs it is as the owner. He gets close to the neighborhood regulars at his bar and sympathizes with their pain. Baek Shi-Yoon meets a young man who works as a temporary employee. The young wants to become a police officer. Baek Shi-Yoon trains the young man as a secret agent and they fight together against evil.

Han Jin Woo, Korea’s top medical examiner, leads a team of experts in conducting a medical crime investigation after strange events and mysterious deaths occur in a hospital. He first clashes with but is later aided by Kang Kyung Hee, an attractive female detective who possesses excellent skill in martial arts and a strong sense of justice.