Among OCN’s finest offerings are God's Quiz and Bad Guys, which debuted in 2010 and 2014, respectively. Check out the most acclaimed shows on OCN, with a catalog of over 20 series updated for November 2026. From 2010 through to 2021, OCN has accumulated a diverse collection of over 20 television shows.

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.

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 crime action investigation drama about police investigator Jin Kang Ho from the serious crime squad who never gives up on a case until he gets to the end of it. He will solve unsolved cases with a team consisting of a passionate producing director (PD) of an investigative show with low viewership ratings, a detective who used to be a profiler, a bar CEO who puts his violent past behind, and a funeral director who used to be a well-esteemed autopsy doctor at the National Forensic Service (NIS).

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.

The story of a psychic, a priest, and a detective who fight unusual crimes committed by strange powers.

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

A psychological thriller that delves into the reality of power. It follows the story of three men and women whose lives are destroyed by a tragic accident as they become a team that uncovers corruption and fights against people with power.

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.

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.

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

The eccentric Oh Hyun Jae was a peerless criminal profiler until a bomb planted by a serial killer took the life of his young fiancée, causing him to become a recluse. When a serial killer long thought dead returns to terrorize the city, rising star of the police, Hwang Hwa Young, resolves to outwit the killer. To do so, she teams up with both Oh and the remarkable rookie cop Cha Soo Young, whose photographic memory may prove to be a powerful crime-fighting weapon.

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.

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.

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 passionate reporter with exceptional talent, Lee Jin Woo has dedicated his entire career to pursuing nothing but the truth. Committed to telling the whole story, Jin Woo will do whatever it takes to find and report the hard facts. A hard-working man with a nose for news, Jin Woo’s life takes an unexpected turn when a mysterious phone call connects him with Seo Jung In, a woman who claims to be living five years in the future. A hard-nosed reporter with a burning passion for her work, Seo Jung In has a knack for finding the best stories. But sometimes digging deep uncovers some nasty truths. Following a string of leads, Jung In uncovers a dark plot that could shake the very foundations of the country. With the life of her father, South Korea’s President, Seo Ki Tae on the line, Jung In finds herself in a deadly race against time. But she’s not in this race alone. Mysteriously connected by phone to Lee Jin Woo, the two agree to join forces to save the president.

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

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.