S01E011:02:551. One Heck of a Summer GuestOne tedious summer, Do-ha, Ha-kyung's first love, reappears before her. The contract for the peanut house, which had been unsold, becomes entangled because of his name…
Last Summer Season 1 – Watch online
12 episodes · since November 1, 2025
All episodes of season 1 of Last Summer: summaries, air dates, ratings and legal platforms (dubbed or subtitled depending on the platform).
S01E011:02:551. One Heck of a Summer GuestOne tedious summer, Do-ha, Ha-kyung's first love, reappears before her. The contract for the peanut house, which had been unsold, becomes entangled because of his name…
S01E021:03:212. The Reason I ReturnedBack from a 2-year hiatus, Do-ha refuses defeat and attempts to win back Ha-gyeong’s heart. Old memories from a summer past unlock as the rain pours.
S01E031:05:473. The Big Triangle of SummerThe Patan High School Project reunites the two. Under the Summer Triangle, first love emerges once more as Do-ha reveals his heart to Ha-gyeong.
S01E041:05:564. The 100th War Has BegunAs secrets unfold, past grievances reach a breaking point. Do-ha and Ha-gyeong begin a long and arduous battle over her beloved Peanut House.
S01E051:05:345. A House Needs PeopleHa-gyeong and Do-ha settle into a new living situation and continue working on the Patan High project. But their mutual rival Nam-jin causes trouble.
S01E061:05:206. 21 Days To Get To Know YouMemories resurface as a shooting star lights the sky. Past and present collide as a confession is evaded. The name Baek Do-yeong casts a long shadow.
S01E071:05:067. The Dog-like Summer GuestDo-ha's resentment over Ha-gyeong's new relationship grows. Seul becomes concerned after Seung-taek experiences pain during his hockey match.
S01E081:05:278. The Last StageDo-ha takes a confused Ha-gyeong out for the day. But while struggling to express her feelings, her drinking leads to a series of embarrassing errors.
S01E099. Summer Behind ScenesSecrets unfold as Ha-gyeong breaks up with Su-hyeok and finds herself entangled with Do-ha. A double date at an amusement park deepens their rapport.
S01E1010. A House Needs People Part 2Do-ha’s long-kept secret, Baek Do-yeong makes a comeback. Tears override laughter at the Peanut House, and the residents are at another crossroads
S01E1111. Our RemodelingEven if the peanut house collapses, the hearts of two people must be rebuilt. Unspoken truths, confessions of love spilling out like sleep talk. The moment when the true…
S01E1212. Our Last SummerIn the final summer, the two finally become true lovers. In a world where every day felt like war, they now promise to protect each other. They spend birthdays…Where to stream Last Summer Season 1
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About season 1
Season 1 of Last Summer has 12 episodes, aired from November 1, 2025 to December 7, 2025 on KBS2. Episodes run 64 minutes on average.
Frequently asked questions about Last Summer Season 1
How many episodes are in Last Summer Season 1?
Last Summer Season 1 has 12 episodes.
When did Last Summer Season 1 air?
The first episode aired on November 1, 2025 and the last one on December 7, 2025.
Where to watch Last Summer Season 1 online?
In the United States, Last Summer is available with a subscription on Rakuten Viki, for free with ads on Rakuten Viki (source: JustWatch via TMDB, offers subject to change). Availability of each season depends on the platform.