tvN is a cable channel of Korea and its dramas are popular in and out of Korea. The channel has quite a lot of hit dramas on its record. The channel keeps on having high ratings with interesting plots and Hallyu actors in its cast.
Here is a list of the tvN dramas with the highest ratings up until now (all years) (updated article).
1. "Crash Landing On You" - 21.7%
The drama "Crash Landing On You" (2019-2020) with Hyun Bin and Son YeJin makes tvN history by breaking the record of its highest ratings. With the final episode of the drama, the drama ratings reached 21.7%. The love story of the North Korean soldier and South Korean chaebol hooked the country.
2. "Goblin" - 20.5%
The drama "Goblin" also titled "Guardian: The Lonely and Great God" aired in 2016-2017 starring Gong Yoo, Kim GoEun, Lee DongWook and more. In and out of Korea, the drama was extremely popular. There was definitely a "Goblin craze". The final episode of the drama reached its highest personal ratings at 20.5%. "Goblin" held the record of tvN best ratings until "Crash Landing on You" broke it.
3. "Reply 1988" - 18.8%
The "Replies" series were popular and "Reply 1988" (2015-2016) was the most popular. The last episode reached 18.8%. Girl's Day's HyeRi, Park BoGum, Go KyungPyo, Ryu JunYeol and Lee DongHwi acted in the drama.
4. "Mr. Sunshine" - 18.1%
The historical drama "Mr. Sunshine" (2018) with Lee ByungHun and Kim TaeRi had a huge budget and it received a lot of love in and outside of Korea. The drama scored 18.1% of ratings on its last episode.
5. "Mr. Queen" - 17.4%
The comedy historical drama "Mr. Queen" (2020-2021) starring Shin HyeSun and Kim JungHyun was also popular. The drama started at 8.0% and kept on increasing its ratings up to 17.4% for the final episode.
6. "Vincenzo" - 14.6%
The black comedy drama "Vincenzo" (2021) starring Song JoongKi, Jeon YeoBeen, 2PM's Ok TaecYeon, Kim YeoJin, and Kwak DongYeon was popular. The drama was also available on Netflix at the same time. The drama started at 7.7% and ended at 14.6%. Viewers have been stunned by the amazing acting and the catchy storyline of a mafia consigliere getting rid of the bad guys.
7. "100 Days My Prince" - 14.4%
The comedy historical drama "100 Days My Prince" (2018) starring EXO’s D.O. and Nam JiHyun was also one of the most popular dramas of tvN. The last episode of the drama reached 14.4%.
8. "Hospital Playlist" - 14.1%
The drama "Hospital Playlist" (2020) with Jo JungSuk, Yoo YeonSeok, Jung KyungHo, and Kim DaeMyung was popular. The drama kept increasing in ratings and reached 14.1% with its last episode. The story of these close friends working at the hospital had interested many.
9. "Signal" - 12.5%
The drama "Signal" (2016) with Lee JeHoon, Kim HyeSoo, and Choi JinWoong was also a hit. The drama reached 12.5% of ratings with its last episode. This drama is often mentioned as one of the best K-Dramas in the international K-Drama community.
10. “Hotel del Luna"- 12%
IU and Yeo JinGoo addicted viewers to the ghosty fantasy drama “Hotel del Luna”. The drama was so popular that many are hoping for a second season. The drama reached 12.0% on its last episode.