The Potato Lab

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Spoiler-light recaps of all 12 episodes — with the big moments, not the whole plot.

EP 01

The Director Arrives

Mar 1, 2025 · tvN

So Baek-ho, a no-nonsense organizational innovation director from Wonhan Retail, makes an unannounced appearance at the Potato Research Institute following the company’s acquisition of the facility. His crisp efficiency immediately collides with the fierce, plainspoken Kim Mi-kyung, who has no interest in being restructured. First impressions are firmly terrible — and yet neither can quite look away.

EP 02

Unwanted Housemate

Mar 2, 2025 · tvN

By a spectacular stroke of bad luck, Baek-ho ends up lodging at Mi-kyung’s family guesthouse and setting up his makeshift office directly in her lab. Mi-kyung rallies the entire mountain village against him in a campaign to drive him out — which backfires magnificently into a chain of comic disasters. The chaos sets the tone for everything that follows.

EP 03

A Face From the Past

Mar 8, 2025 · tvN

Mi-kyung spends most of the local potato cooking competition dodging Baek-ho — only for him to unexpectedly step in and rescue her when things go sideways. The episode takes a more sombre turn when a familiar figure from Mi-kyung’s past appears at the institute, hinting at emotional wounds she has been carefully keeping sealed.

EP 04

Devastating News

Mar 9, 2025 · tvN

Baek-ho drops a bombshell corporate decision that puts Mi-kyung’s position at the institute in genuine jeopardy, forcing her to urgently reckon with her options. Before either of them can process the fallout, an unexpected emergency erupts that compels these two natural antagonists to work as a team for the very first time.

EP 05

Jealousy Sprouts

Mar 15, 2025 · tvN

Baek-ho and Mi-kyung begin to see more vulnerable, human sides of each other, and feelings start quietly taking root between them. The arrival of a new guest at the guesthouse stirs something unfamiliar in Mi-kyung — a pang of jealousy she isn’t quite ready to acknowledge or name. The series’ emotional gears shift noticeably here.

EP 06

Business Trip

Mar 16, 2025 · tvN

A surprise shake-up sends Baek-ho and Mi-kyung on an impromptu business trip together, giving them rare unguarded moments far from the institute’s watchful gossip network. The closeness that develops between them is undeniable. But shortly after they return, Baek-ho begins inexplicably avoiding Mi-kyung, leaving her confused and quietly stung.

EP 07

First Date

Mar 22, 2025 · tvN

Feelings finally come to the surface, and Baek-ho and Mi-kyung take the next step with a proper first date — a tender milestone in their enemies-to-lovers story. The happiness is short-lived, however, as word of their budding relationship spreads like wildfire through the small, deeply invested institute community.

EP 08

An Unwelcome Guest

Mar 23, 2025 · tvN

An uninvited and disruptive visitor descends on the guesthouse, throwing the household into turmoil. Mi-kyung’s sense of stability is shaken further when she stumbles across a secret relationship involving someone close to her — a discovery that rattles her trust just as her own new romance is finding its footing.

EP 09

The Potato Flower Field

Mar 29, 2025 · tvN

Mi-kyung is visibly struggling under the weight of emotional wounds she has carried far too long, and Baek-ho quietly positions himself as her steadiest anchor — a warmth he rarely shows the world. The episode peaks in a breathtakingly simple scene: the two of them alone together in a blooming potato flower field. The series’ most romantic hour.

EP 10

The Truth Comes Out

Mar 30, 2025 · tvN

Baek-ho witnesses a charged interaction between Mi-kyung and her ex, Park Ki-se, and finally pieces together the full story of what she endured in that relationship. Moved by what he learns, he makes a long-overdue, heartfelt confession — a turning point not just in their relationship but in his own emotional journey toward letting someone in.

EP 11

Shut Out

Apr 5, 2025 · tvN

Feeling blindsided and betrayed by a decision Baek-ho made without consulting her, Mi-kyung shuts him out completely — throwing the relationship into a tense standstill. Behind the scenes, their irrepressibly meddlesome colleagues take matters into their own hands, scheming furiously to reconcile the two before the lab — and the couple — fall apart entirely.

EP 12

A New Chapter

Apr 6, 2025 · tvN

With her contract drawing to a close, Mi-kyung faces uncertainty on every front — professionally and personally. The finale brings Baek-ho and Mi-kyung to an honest reckoning with their feelings and the choices ahead of them. The supporting cast finds resolution too, and the series closes on an optimistic, earned note: love, like a good potato, takes patience — but it’s absolutely worth the wait.

Full spoilers ahead — everything that happens in the finale and what it all means.

Mi-kyung finally submits her life’s work. The finale centers on Mi-kyung’s decision to officially register “Mi Gyeong” — the potato variety she has spent twelve years cultivating in secret — as a certified cultivar. This isn’t just a professional milestone; it’s the act that crystallizes her entire arc. Mi-kyung has spent the series protecting this project precisely because it was something entirely her own, something no one could restructure or take away. Submitting the registration is her way of saying, at last, that she trusts the world enough to share it.

Baek-ho chooses the mountain over the boardroom. In the finale’s most decisive moment, Baek-ho turns down a return to his high-pressure corporate career and commits fully to Mi-kyung and the quiet mountain life he has discovered over the course of the series. The choice lands cleanly because the drama has done the work — we’ve watched Baek-ho’s emotional walls erode not through grand gestures but through accumulated small moments of showing up. His decision doesn’t feel like sacrifice; it feels like becoming himself.

The supporting cast gets its own resolutions. Mi-kyung’s younger brother Hwan-kyung and her best friend Ong-ju finally stop orbiting each other’s feelings and acknowledge what’s been obvious to everyone else for several episodes. The research team — who have functioned throughout the series as a warmhearted Greek chorus of meddling and encouragement — celebrates both the “Mi Gyeong” potato project’s success and the couple’s reunion with the kind of chaotic, genuine joy that has been the show’s secret weapon all along.

What the ending is really about. The Potato Lab has always been, underneath the rom-com trappings, a drama about two people who stopped believing their work and their emotional lives could coexist. Mi-kyung poured herself entirely into her potatoes because people had let her down; Baek-ho hid behind efficiency because connection felt like a liability. The finale doesn’t resolve these tendencies so much as give both characters a reason to keep trying. Love, like a good cultivar, isn’t about forcing growth — it’s about creating the right conditions and having the patience to wait.