tvN's weekend classical music romance Four Hands, Two Sonatas (포핸즈) reached a series-high 7.5% household rating on Sunday, September 20, 2026, maintaining its unbroken reign as the number-one program on Korean cable television every weekend. The drama manages to turn the physical demands of four-hands piano rehearsals into high-stakes relationship drama.
| Item | Details |
|---|---|
| Broadcaster | tvN |
| Series-high rating | 7.5% (Episode 8, September 20, 2026) |
| Premiere rating | 3.5% (Episode 1, August 29, 2026) |
| Cable rank | 1st on cable for every broadcast from Episode 1 to Episode 8 |
| Highest encore rating | 1.8% (September 21) |
| Total episodes | 12 |
| Expected finale | Sunday, October 4, 2026 |
| Ratings basis | Household figures as of Sep 27, 2026 |
Unbroken Number One Cable Streak
If you have been tracking the intense piano duets between Jeong-yo and Kang Bi-o, that upward trajectory makes complete sense. Viewers have responded by making every Sunday broadcast an essential appointment.

Cable television ratings in South Korea operate on a very different scale compared to free-to-air public networks. When a cable drama on tvN or JTBC crosses 5%, it is already considered a notable commercial hit. Crossing 7% places it among the very top-performing weekend cable programs of the year.
Four Hands, Two Sonatas has not merely performed well—it has led its competition. On every single Saturday and Sunday broadcast since late August, the drama has secured the first-place ranking across cable channels. Starting from a modest premiere in the mid-3% range, viewership has climbed from week to week since.
Episode by Episode Cable Ratings
The television run across the first eight episodes shows strong weekend performance on cable:
| Episode | Air Date | Household Rating | Cable Rank |
|---|---|---|---|
| Episode 1 | August 29, 2026 | 3.5% | 1st |
| Episode 2 | August 30, 2026 | 6.1% | 1st |
| Episode 3 | September 5, 2026 | 4.4% | 1st |
| Episode 4 | September 6, 2026 | 6.0% | 1st |
| Episode 5 | September 12, 2026 | 4.9% | 1st |
| Episode 6 | September 13, 2026 | 7.4% | 1st |
| Episode 7 | September 19, 2026 | 6.8% | 1st |
| Episode 8 | September 20, 2026 | 7.5% | 1st |
Episode 9 aired on September 26, while Episode 10 airs on September 27, heading into the final four episodes.
The Story Behind the Sunday Ratings Jump
The most striking trend in the drama's ratings is the dramatic gap between Saturday and Sunday viewership. Every weekend without exception, Sunday broadcasts pull in substantially larger audiences:
- Weekend 1: 3.5% on Saturday climbed to 6.1% on Sunday
- Weekend 2: 4.4% on Saturday climbed to 6.0% on Sunday
- Weekend 3: 4.9% on Saturday climbed to 7.4% on Sunday
- Weekend 4: 6.8% on Saturday climbed to 7.5% on Sunday
Why does this Sunday pattern occur? Our guess? Saturdays are busy with evening activities, while Sundays offer a quieter window when viewers settle in at home.
Scheduled television encores on cable also demonstrate steady viewer interest. Reruns have drawn as much as 1.8% (September 21), giving viewers additional chances to follow the performance sequences outside the live weekend broadcast.

Music Rehearsals That Feel Like Dramatic Duels
A major reason viewers stay invested is that Four Hands, Two Sonatas treats classical music with genuine technical respect. Four-hands piano literature requires two performers to share one keyboard, occupying overlapping physical space while maintaining independent rhythms.
In Episode 7 and Episode 8, the production leans heavily into that musical tension. Rather than using the piano simply as background atmosphere, the rehearsal sequences illustrate the shifting emotional distance between the two leads. Sitting shoulder to shoulder on a shared piano bench forces Jeong-yo and Kang Bi-o to synchronize their breathing, tempo, and dynamics even when their personal friction threatens to derail the performance. Watching two stubborn artists channel their unspoken feelings into demanding four-hands repertoire gives the series an intensity that distinguishes it from conventional romantic stories.
Beyond the choreography of the piano scenes, the drama benefits from a focused supporting ensemble. The supporting cast never feel like unnecessary padding; their presence reinforces the immense pressure hanging over every practice session. When a classical music drama respects the discipline of its chosen art form, it attracts both dedicated classical enthusiasts and general K-drama fans who appreciate detailed, character-driven storytelling.
What to Watch for in the Final Four Episodes
With only four episodes remaining after the fourth weekend, the drama enters its concluding arc. As the duo works through their remaining repertoire, the narrative tension focuses on whether they can maintain artistic harmony under intense pressure and scrutiny.
The critical question for the ratings run is whether the series can break through the 8% barrier before concluding on its expected finale on Sunday, October 4. With Saturday episodes establishing a higher baseline—Episode 7 reached 6.8% on a Saturday—the upcoming Sunday broadcasts have a realistic chance of setting another series high.
For fans following the show from its initial 3.5% premiere, watching Four Hands, Two Sonatas steadily grow into cable's biggest weekend title has been an immensely rewarding journey. Classical music can sometimes be seen as niche or difficult to dramatize for television, but this production demonstrates that passionate storytelling and committed performances can make two people sitting at a piano bench as thrilling as any high-concept thriller. As the final episodes approach, audience interest remains exceptionally high.
Ratings are household figures as of Sep 27, 2026.
Frequently asked questions
How many episodes will Four Hands, Two Sonatas have in total?
The drama is planned for a 12-episode run, with the series finale scheduled to air on Sunday, October 4, 2026.
Is 7% considered a strong rating for a cable drama in Korea?
Yes, for pay-cable networks like tvN, ratings above 5% represent notable success, and crossing 7% places a series among the top-tier cable programs of the season.
Where can international viewers stream the drama?
The drama is available for international streaming on Netflix, with episodes released shortly after their Korean television broadcast.