Channel · K-Drama
OCN오씨엔
OCN (오씨엔) is a movie channel on basic cable in South Korea, owned by CJ ENM's entertainment division. It began on March 1, 1995 as the Daewoo Cinema Network (DCN), became the Orion Cinema Network, "OCN", on July 1, 1999 under Orion Confectionery's On-Media, and later passed to the CJ group. It is based in Sangam-dong, Mapo District, Seoul, and its sister channels include tvN.1
Besides films, OCN is known for genre dramas, and Wikipedia lists its highest-rated series by nationwide household rating (AGB Nielsen). The Uncanny Counter (경이로운 소문) is first at 10.999% for its January 24, 2021 finale, ahead of Voice season 2 (7.086%), Watcher (6.585%), Tunnel (6.490%) and Life on Mars (5.851%). By nationwide viewers it is also first, with 3.216 million, followed by Voice season 2 (1.957 million).1
That series is covered in its own DabPop profile and in the ranking of webtoon adaptations by peak Nielsen Korea rating, where its Season 1 finale is the OCN record.2 OCN's statement that writer Yeo Ji-na left The Uncanny Counter after episode 12 in January 2021 "by mutual agreement", after a disagreement over the final storyline, appears in DabPop's explainer on how K-dramas are made and its production timeline.34

Key facts
| Korean name | 오씨엔 (OCN)1 |
|---|---|
| Launched | March 1, 1995 as Daewoo Cinema Network; renamed Orion Cinema Network (OCN) on July 1, 19991 |
| Owner | CJ ENM entertainment division1 |
| Type | Movie channel on basic cable1 |
| Headquarters | Mapo District, Seoul1 |
| Highest-rated series | The Uncanny Counter, 10.999% (finale, January 24, 2021)1 |
| Most-watched series | The Uncanny Counter, 3.216 million nationwide viewers1 |
Appears in DabPop rankings
Sources
- Wikipedia, OCN (TV channel), retrieved 2026-10-20.
- DabPop, Webtoons That Became the Highest-Rated K-Dramas, retrieved 2026-10-20.
- DabPop, How a K-Drama Gets Made: From Casting to the Final Episode, retrieved 2026-10-20.
- DabPop, How K-Drama Production Changed: A Timeline, retrieved 2026-10-20.