EXchange: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of EXchange Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
Please, Take Good Care of Him
Oct 1, 2025 · 113 min
Exchange is back with its 4th season, and 8 participants gather at the house. They can only exchange their names and nothing else, but through the EX Introduction, they get to know
A Breakup Locked in a Closet
Oct 1, 2025 · 97 min
The participants got to know about each other through the EX Introduction. It seems like the introduction made them curious about others, but then, the bell rings again, surprising
Sweet and Bitter Moments
Oct 8, 2025 · 114 min
The four couples go out on a date. Since the female participants chose their dates, all of them seem proactive during the date, and their chemistries make the hosts root for the ne
Passing Carelessly
Oct 8, 2025 · 140 min
The eight participants are confused after having a date during the day. Some find new people charming, but some are bothered by their exes as they seem fine. Ji-hyeon expresses her
Restless Night
Oct 15, 2025 · 93 min
Baek-hyun’s ex is revealed, and their story is shared. With Hyeon-ji as a new addition, the tension in the air at the house changes. Baek-hyun has a hard time falling asleep with h
The Speed of Breakup Depends on the Person
Oct 22, 2025 · 102 min
The participants go out on a date during the day, and everyone seems to like meeting new people. However, when the night comes, they all become emotional and feel confused. The par
The Door Opens
Oct 22, 2025 · 114 min
The Chatting Room is open again, and the female participants are invited. They wonder who invited them, and it turns out to be an unexpected twist. Meanwhile, the participants beco
Insincere Love
Oct 29, 2025 · 120 min
The new catfish, Jae-hyung, joins the house and meets everyone. The male residents feel somewhat threatened by his confidence. The next day, the Group Talking Room, where the male
Misunderstanding is Easy, But Understanding is Hard
Nov 5, 2025 · 110 min
The male residents must choose a keyword from the Group Talking Room. They will go on a date with different female residents according to the keywords they pick. At night, the exes
Our Nights Shine Brighter Than the Day
Nov 12, 2025 · 117 min
The residents’ ages are revealed, and this changes how they feel about each other subtly. Once again, the drinking goes on late into the night, and some get angry about their exes’
You, Back Then
Nov 19, 2025 · 125 min
The time has arrived again. With the Ex Room open today, some of them decide to check out the Ex Room, whereas the others enter the room because their Exes don’t choose to do so. S
A Different Time
Nov 26, 2025 · 127 min
Shin Seung-yong, a new male participant, joins the show. His manly look and full package make the ladies’ hearts flutter, and other men alert. With a newcomer, some start opening t
Leaving This Night In Seoul
Dec 3, 2025 · 95 min
On the night before travelling to Japan, some feel excited about the trip with their partner, whereas some feel conflicted and their relationships are strangely tangled. As the mor
X’s X
Dec 3, 2025 · 91 min
The trip in Japan continues. As they decided to let go of old feelings and travel with a fresh mindset, everyone's excitement doubled in Japan. Meanwhile, the exes will finally be
The Time I Thought I Had Forgotten
Dec 10, 2025 · 122 min
The doorbell rang again before the confusion died down. On the first day in Kamakura, a letter arrived. The men have to recommend a date for their exes. And starting from this epis
Farewell Caught in My Throat
Dec 17, 2025 · 129 min
Now that the exes are revealed, the atmosphere has changed. For some, it gets more comfortable as they can follow their hearts without hiding anything. For others, it gets more com
A Way To Keep You With Me
Dec 24, 2025 · 105 min
As their dates in Japan continue, some relationships deepen, and the direction of their hearts gradually becomes clearer. Those who hope to reunite with their exes show diverse rea
A Sleepless Night, and the Rain Falls
Dec 31, 2025 · 111 min
Hyun-ji and Yoo-sik go out on a casual date while everyone else stays home. Min-kyung talks to Yoo-sik after he gets back, hoping to hear that there’s still a chance for them to ge
A Summer Night of Regret
Jan 7, 2026 · 107 min
An envelope has arrived at the Kamakura House. The participants will play truth or dare for the final decision. One person can ask up to three questions. But they can't ask obvious
So, It's Goodbye, Then
Jan 14, 2026 · 129 min
Time is ticking until the final decision day. The participants go on a date with their ex with heavy hearts, thinking that might be their last date. After the date with their ex, e
Again, Never
Jan 21, 2026 · 121 min
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 reason
The Untold Story
Jan 28, 2026 · 62 min
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