IU Unknown Planet is almost here, but fans have more than one date to circle. IU unveiled the music video teaser on September 9, ahead of her new digital single’s September 10 release. The rollout includes separate music video dates for “Dear my crazy soulmate” and “Unknown Planet,” giving listeners two moments to look forward to.
The digital single arrives on September 10, 2026, at 6 p.m. KST. The “Unknown Planet” music video follows on September 16.

IU Unknown Planet Release Schedule
The key distinction is between the music release and the video premiere. A later music video date does not mean fans must wait until September 16 to hear the digital single. Here is the announced schedule, with dates shown in Korean Standard Time.
| Release | Date in Korea |
|---|---|
| Digital single | September 10, 2026, 6 p.m. KST |
| “Dear my crazy soulmate” music video | September 10, 2026 |
| “Unknown Planet” music video | September 16, 2026, midnight KST |
The midnight timing for the “Unknown Planet” video comes from the official teaser announcement. International fans should check their local calendar carefully: midnight in Korea can fall on the previous day elsewhere.
Watch the IU Unknown Planet MV Teaser
Watch the teaser above, or open IU’s teaser on YouTube. This is a preview of the upcoming video; the complete “Unknown Planet” music video is scheduled for the later premiere.
Watch the Instagram Reel
Open the original Instagram reel
Why There Are Two Dates to Watch
For fans following the comeback, the two-video schedule creates a useful way to experience the release: start with the new music and “Dear my crazy soulmate,” then return for the “Unknown Planet” video. Comparing the songs with their completed visuals can be part of the enjoyment, without needing to settle on an interpretation from a short teaser.
As a listening suggestion, give each track a full first play before comparing your impressions with the videos. A teaser can introduce an atmosphere, but it cannot show every musical change or explain an entire story. The full releases will offer a better basis for discussing lyrics, performance and visual details.
What Led Up to the Teaser?
According to Soompi’s updated comeback report, the track list appeared on September 7 and concept photos followed on September 8. The September 9 video teaser is the next step in that sequence. The outlet also places the release roughly a year after IU’s September 2025 single “Bye, Summer.”
New to IU? Meet the Artist Behind the Teaser
IU is the stage name of Lee Ji-eun, a singer-songwriter and actress whose career began in 2008. For a reader discovering her through this release, that history matters: this is a new chapter from an established solo performer. The Recording Academy’s guide to Korean female soloists traces her beginnings to the mini-album Lost and Found and highlights the artistic growth heard on her 2013 album Modern Times. Those two releases provide a starting point for exploring how her music developed.
The same profile discusses The Winning, released in February 2024, as a further stage in her evolution. For newcomers, these records offer a small map through a larger catalog. You can begin with the new single and work backward, or sample an earlier album before release day. Neither route requires knowing every previous era. A useful question is what you notice about her voice, phrasing and choice of material as you move between recordings made at different points in her career.
IU’s Overseas Audience Has a Concert History
There is a concrete reason this comeback will interest readers outside Korea. In its 2024 summer concert guide, the Recording Academy reported six sold-out U.S. concerts on IU’s HEREH world tour, following dates in Asia and Europe. The American schedule ran from Newark’s Prudential Center on July 15 to the Kia Forum in Los Angeles on August 2. These are historical tour details, rather than newly announced dates associated with the 2026 single.
That record gives international readers context for the attention around a Korean-language release. Her overseas audience has extended beyond people encountering a short clip online to listeners buying tickets for full concerts. It does not predict how the new songs will chart or establish a future sales result. It does explain why an English-language release guide has a practical audience: fans in different countries need the correct song titles, official viewing links and a clear distinction between the listening date and the video date.
For overseas listeners, the official schedule is the starting point; the complete songs and videos will supply the next chapter.
Recognize IU From a Drama? Here Is the Connection
Some readers may know IU primarily from acting. Netflix’s official introduction to When Life Gives You Tangerines identifies IU and Park Bo-gum as its stars, with Kim Won-seok directing. The series follows Ae-sun and Gwan-sik, whose relationship faces family expectations and difficult circumstances. Netflix also identifies IU with Hotel del Luna and the director with My Mister, providing reference points for viewers who already follow Korean television.
For a drama viewer moving into her music, the new single can be an easy entry point. A two-song release asks for less initial listening time than exploring an entire discography. It also gives you a chance to hear IU outside a scripted television role. Her acting credits are background to the performer, however; they are not evidence that “Unknown Planet” is connected to a drama. The upcoming music videos should be considered on their own terms, using the released work and official explanations as the basis for discussion.
How to Read the IU Unknown Planet Teaser
A useful first viewing can focus on three things: what the camera repeatedly shows, what part of the music is audible, and where the preview stops. These are viewing prompts, rather than claims about particular scenes in this teaser. When the full video arrives, return to those notes and see whether the same details remain important. A brief preview may emphasize an image or moment that plays a smaller role in the completed work. It can also withhold context that changes how a scene is understood.
For lyrics, it helps to distinguish a translation from an interpretation. A translation communicates the words in another language; an interpretation proposes what those words mean within a song or story. Both can be valuable, but they do different jobs. If official subtitles become available, start there and then compare commentary. A title alone cannot establish the relationship between a narrator and another character. Fan theories can make the wait entertaining, while still leaving room for the completed video to take an unexpected direction.
A Listening Plan for the Two Songs
On your first listen, try hearing each song from beginning to end before switching to reactions or short clips. Notice how the opening establishes the mood and whether the ending changes your impression of it. On a second listen, focus on the vocal delivery: a pause, a change in emphasis or a repeated phrase can affect an emotional reading. These are optional ways to engage with a new release, not instructions for increasing streams or claims about how the unreleased recordings are arranged.
Next, watch the available music video and ask what its storytelling adds. Does it make your first interpretation clearer, or suggest a different one? When the second video arrives, compare the two without assuming they form a continuous plot. Shared imagery could be meaningful, but a relationship between the videos needs evidence from the releases or an official explanation. Leaving room for more than one reading can be more rewarding than forcing every promotional detail into a single theory before both works are available.
Keeping Your Release Calendar Clear
When adding a timed event to a calendar, choose Seoul or Korean Standard Time as the event’s time zone instead of entering the Korean hour as local time. The calendar can then display the corresponding hour where you are. Midnight also needs care: it marks the beginning of a date. A Korean premiere listed at midnight on September 16 belongs at the start of September 16 in Korea, even if the same moment falls on September 15 where you live.
Keep listening and viewing reminders separate. A reminder for the digital single helps you find the audio release, while a video reminder serves a different purpose. If you only save the later video date, you may overlook the earlier opportunity to listen. Conversely, finding the audio available does not mean every promotional video has already been released. This distinction is particularly useful when checking a mixture of translated announcements, reposted schedules and recommendations from friends in other countries.
What to Check Once the Music Arrives
Once the songs are available, the release itself becomes the strongest source for details that a teaser cannot settle. Check the credited writers and producers, the official track names, the complete lyrics where provided, and any artist explanation accompanying the release. These details support a richer discussion than guesses based on promotional images. If a streaming service and a social post display different capitalization or translated titles, the official release listing is a useful reference point for identifying the same recording.
Early reactions can be enjoyable, but they are different from verified chart results. A popular comment, a rapidly circulating clip and a formal chart position each measure something different. This guide focuses on the announcement and ways to follow the release. There is no need to predict a record or declare a commercial result before release day. The immediate appeal is the chance to hear new music, experience two video premieres and discover how your first impressions develop after spending time with the complete songs.
Quick Questions Before Release Day
When can fans hear IU Unknown Planet?
The digital single is scheduled for September 10 at 6 p.m. KST.
Are both music videos arriving on the same day?
No. “Dear my crazy soulmate” is scheduled for September 10, while “Unknown Planet” follows on September 16.
Where should fans check for updates?
Follow the official teaser’s YouTube page and IU’s official Instagram account for announcements. For more release coverage, explore KWaveScope.
Schedule checked on September 9, 2026. All listed release times use KST.