Below are five Korean dramas that stirred controversy yet still recorded impressive ratings, generating intense discussions and attracting audiences across Asia.

1. Perfect Crown

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This drama is considered one of the most talked-about series of 2026. Even before its premiere, it topped the GOODDATA rankings, and shortly after airing, it captured 50.49% of online buzz across platforms, maintaining the No.1 spot for three consecutive weeks. In terms of ratings, it dominated its time slot for six straight episodes, with episode 6 peaking at 11.2%. On Disney+, it even set a record as the most-watched Korean series globally within just five days.

Despite its strong media presence, audience reactions were divided. Some viewers criticized the romance for lacking depth and found the character relationships underdeveloped. Nevertheless, the star power and chemistry of IU and Byeon Woo Seok played a crucial role in sustaining the drama’s popularity.

2. King the Land

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Starring Lee Jun-ho and Im Yoon-ah, this drama generated high expectations from the start. The romantic storyline follows a chaebol heir who dislikes fake smiles and a hotel employee forced to maintain one at work. While it concluded with a solid rating of 13.789%, the drama faced criticism for its predictable plot and lack of originality, with some labeling it one of the most disappointing Korean dramas of the year.

3. Alchemy of Souls

alchemy of souls

The first season gained popularity thanks to strong chemistry and an engaging fantasy storyline, with ratings rising from 4.989% to 9.295%. However, it also faced controversy over costume design and accusations of borrowing ideas. The second season stirred further debate after replacing the female lead, yet it achieved an even higher rating of 9.651%. Its happy ending helped ease some of the mixed reactions.

4. Itaewon Class

Itaewon Class

Marking the return of Park Seo-joon, this drama quickly gained attention with its emotionally driven story of revenge and entrepreneurship. Ratings climbed from 4.983% to an impressive 16.548%. Still, the series received mixed feedback regarding its pacing and character development.

5. The Penthouse

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Often cited as a prime example of “the more outrageous, the more addictive,” this drama consistently broke rating records and dominated online discussions. At the same time, it faced criticism for its highly unrealistic plot and extreme twists. However, its shocking and unpredictable storytelling kept viewers hooked, turning it into one of the most iconic entertainment phenomena in Korean television.

Sources: Saostar