EXchange · SEASON 4
Again, Never
Episode 21 · 2026-01-21

- Reality
Episode overview
After all the emotional ups and downs, they are finally reaching the end of the journey, and EXchange 4 is left with the final decision. Ex-lovers who broke up for their own reasons came together. New moments emerged from an unexpected encounter, and the new connection stirred up the time that had been paused with their exes. How will this season end?
121 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