tvN's weekend romance drama Four Hands, Two Sonatas (포핸즈) is scheduled for a 12-episode run, with the finale expected on Sunday, October 4, 2026. The musical chemistry between Jeong-yo and Bi-o builds with every single rehearsal. Watching their fierce dedication to four-hands piano repertoire while wrestling with past memories turns every weekend hour into pure emotional drama.
| Item | Details |
|---|---|
| Broadcaster | tvN (South Korea) |
| International streaming | Netflix, shortly after each Korean broadcast |
| Total episodes | 12 |
| Broadcast days | Saturday and Sunday |
| Premiere | Episode 1, Saturday, August 29, 2026 |
| Finale | Episode 12, expected Sunday, October 4, 2026 |
| Runtime | 60 to 61 minutes per episode (Episodes 6 to 8) |
| Highest household rating | 7.5% for Episode 8 (September 20, 2026), as of Sep 27, 2026 |
Weekend Broadcast Days and Where to Stream

The drama airs every Saturday and Sunday on basic cable channel tvN in South Korea. Internationally, episodes become available for on-demand streaming on Netflix shortly after their domestic television broadcast concludes. Overseas viewers can easily tune in each week as new installments arrive on the streaming service following the Korean broadcast.
Because the series maintains a steady two-episode cadence each week across six consecutive weekends, keeping track of the broadcast calendar helps fans catch each performance as soon as it premieres. Following the weekly schedule ensures that viewers stay synchronized with Korean television discussions and avoid accidental spoilers between the Saturday setup and the Sunday payoff. Having a dependable release pattern makes following the musical arc week by week a rewarding experience for classical music enthusiasts and romance lovers alike.
Full Episode Schedule and Air Dates
The full 12-episode broadcast calendar is structured across late August, September, and early October 2026:
| Episode | Air Date | Broadcast Day | Household Rating |
|---|---|---|---|
| Episode 1 | August 29, 2026 | Saturday | 3.5% |
| Episode 2 | August 30, 2026 | Sunday | 6.1% |
| Episode 3 | September 5, 2026 | Saturday | 4.4% |
| Episode 4 | September 6, 2026 | Sunday | 6.0% |
| Episode 5 | September 12, 2026 | Saturday | 4.9% |
| Episode 6 | September 13, 2026 | Sunday | 7.4% |
| Episode 7 | September 19, 2026 | Saturday | 6.8% |
| Episode 8 | September 20, 2026 | Sunday | 7.5% |
Episode 9 aired on Saturday, Sep 26, and Episode 10 airs Sunday, Sep 27, setting the stage for the final push. Episode 11 is expected on Saturday, October 3, leading directly into the series finale expected on Sunday, October 4. Keeping this calendar in mind helps viewers anticipate when each dramatic and musical breakthrough will air. With six full weeks of programming, the drama provides a structured autumn viewing journey that lets audiences grow attached to each character's artistic growth.
For a closer look at Episode 9, read Four Hands, Two Sonatas Episode 9: What a Concerto Premiere Means for Jeong-yo and Bi-o.
The Big Sunday Viewership Jumps
One fascinating pattern in the drama's television run is its consistent Sunday ratings surge. Across every broadcast weekend so far, Sunday broadcasts pull in substantially larger audiences than Saturday installments:
- Weekend 1: Episode 1 started at 3.5%, followed by a jump to 6.1% for Episode 2.
- Weekend 2: Episode 3 recorded 4.4%, with Episode 4 climbing back up to 6.0%.
- Weekend 3: Episode 5 earned 4.9%, before Episode 6 leaped to 7.4%.
- Weekend 4: Episode 7 reached 6.8%, and Episode 8 set a series record at 7.5%.
That Episode 8 peak made Four Hands, Two Sonatas the highest-rated program on Korean cable television for Sunday, September 20. Viewers clearly treat the Sunday episode as an essential appointment to see how the weekly cliffhanger resolves. Sunday has beaten Saturday every weekend so far, by anywhere from 0.7 to 2.6 points, showing how reliably audience momentum builds across each two-day broadcast cycle. Saturday installments introduce unresolved emotional friction and technical musical hurdles, which primes audiences to return on Sunday to see the resolution. For every weekend's numbers in one place, check out our Four Hands, Two Sonatas ratings breakdown.
If you want to know what these percentages mean, see How Korean TV Ratings Work: What 7% or 14% Really Means for K-Dramas.

Focused 60-Minute Episode Structure
Four Hands, Two Sonatas keeps each chapter to a compact 60 to 61 minutes:
- Episode 6: 60 minutes
- Episode 7: 60 minutes
- Episode 8: 61 minutes
This disciplined runtime gives the show a focused rhythm. Each episode dedicates ample room to actual musical performances—from solo practice sessions to tense four-hands rehearsals. In Episode 8, intense rehearsal sequences showcase the characters working through complex musical passages, allowing the scene to breathe without feeling rushed or truncated. The drama lets the sound of the piano tell the emotional story, using shared sheet music and synchronized fingerwork to communicate what the characters cannot put into spoken words. The sixty-minute limit prevents dialogue from lagging and keeps every rehearsal directly tied to character progression. By eliminating secondary subplots that do not serve the music, the narrative maintains an intimate, acoustic atmosphere throughout.
The rehearsal vocabulary from that episode is unpacked in Four Hands, Two Sonatas Episode 8: The Rehearsal Terms Explained (Phrase, Downbeat, Tempo).
Piano Repertoire and Practice Room History
The physical intimacy of four-hands piano playing forms the emotional core of the series. When two musicians perform on a single grand piano, they must coordinate their body movements, pedaling, and tempo without speaking aloud. In a four-hands duet, one pianist manages the treble melodies while the other provides the harmonic bass foundation, requiring complete mutual trust and intuitive timing.
In Episode 7, Bi-o's quiet conversation about how the two spent their youth living inside piano practice rooms showed just how deeply their personal history intertwines with their music. Sharing a single piano bench means every subtle shift in posture telegraphs emotional tension. When personal friction enters the equation, even simple arpeggios fall out of sync, mirroring their unresolved childhood memories. Watching them work through these technical difficulties during grueling practice sessions reveals far more about their connection than casual conversation ever could. The musical pieces become a shared language where past grievances and present reconciliation happen simultaneously across eighty-eight piano keys.
The Road to the October 4 Finale
With only four episodes remaining after the fourth broadcast weekend, the storyline moves toward the final resolution of the central musical partnership. Four episodes are left to settle where Jeong-yo and Bi-o's partnership goes. Their shared artistic ambition must withstand the weight of their past memories as they prepare for their defining performance.
Fans who have followed the pair through their breakthroughs in Episode 8 will want to keep Sunday free for the final performance. Planning a weekend catch-up now ensures you will be fully prepared when Episode 12 concludes the journey on tvN and Netflix.
Ratings are household figures as of Sep 27, 2026.
Frequently asked questions
When does Four Hands, Two Sonatas end?
The final installment, Episode 12, is expected on Sunday, October 4, 2026 on tvN.
Where can international viewers stream the drama?
The series streams globally on Netflix, with new episodes arriving shortly after they finish airing on Korean television.
How many total episodes are in Four Hands, Two Sonatas?
The drama consists of exactly 12 episodes, airing twice a week on Saturdays and Sundays.
How much piano is in the drama?
The show builds whole scenes around rehearsals, from solo practice to four-hands run-throughs.
What is the highest rating Four Hands, Two Sonatas has reached?
Episode 8 set the series record at a 7.5% household rating on Sunday, September 20, 2026, making it the highest-rated program on Korean cable television that day. The figures are current as of Sep 27, 2026.