EXchange · SEASON 4
The Untold Story
Episode 22 · 2026-01-28

- Reality
Episode overview
EXchange 4 will unleash the hidden charms of residents that couldn’t be seen anywhere else! Although this season of EXchange is over, for the hardcore fans who haven't yet moved on from the show and to satisfy fans’ and viewers’ curiosity, the behind-the-scenes of the exciting journey from Seoul to Kamakura, Japan, will be revealed!
62 minutes
Season 4 episodes
1. Please, Take Good Care of Him2025-10-01
2. A Breakup Locked in a Closet2025-10-01
3. Sweet and Bitter Moments2025-10-08
4. Passing Carelessly2025-10-08
5. Restless Night2025-10-15
6. The Speed of Breakup Depends on the Person2025-10-22
7. The Door Opens2025-10-22
8. Insincere Love2025-10-29
9. Misunderstanding is Easy, But Understanding is Hard2025-11-05
10. Our Nights Shine Brighter Than the Day2025-11-12
11. You, Back Then2025-11-19
12. A Different Time2025-11-26
13. Leaving This Night In Seoul2025-12-03
14. X’s X2025-12-03
15. The Time I Thought I Had Forgotten2025-12-10
16. Farewell Caught in My Throat2025-12-17
17. A Way To Keep You With Me2025-12-24
18. A Sleepless Night, and the Rain Falls2025-12-31
19. A Summer Night of Regret2026-01-07
20. So, It's Goodbye, Then2026-01-14
21. Again, Never2026-01-21
22. The Untold Story2026-01-28