In Your Radiant Season (2026) · WatchGuide

In Your Radiant Season (2026) · WatchGuide

Episodes

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E1 · Airs Feb 20, 2026 · 1h 9m · ★ 9.0
Episode 1
Seven years after a lab explosion, Chan returns home for work and unexpectedly meets Haran again.
E2 · Airs Feb 21, 2026 · 1h 7m · ★ 8.8
Episode 2
Chan sees that Haran is frozen in winter and suggests a three-month trial friendship.
E3 · Airs Feb 27, 2026 · 1h 7m · ★ 10.0
Episode 3
Haran rejects Chan's three-month friendship offer, but Chan is undeterred.
E4 · Airs Feb 28, 2026 · 1h 8m · ★ 10.0
Episode 4
As Chan and Haran grow closer, a mysterious sound begins to haunt him, revealing gaps in his memory.
E5 · Airs Mar 6, 2026 · 1h 12m · ★ 8.0
Episode 5
Chan and Ha-ran find a Gyeongju escape but a resurfacing memory puts Chan in a brewing storm. Unbeknownst to Ha-ran, Chan is drawn into a brewing storm.
E6 · Airs Mar 13, 2026 · 1h 8m · ★ 10.0
Episode 6
Chan's sudden exit for the U.S. leaves Ha-ran reeling. As longing sets in, the three sisters clash and Na-na faces an unexpected incident.
E7 · Airs Mar 14, 2026 · 1h 12m · ★ 10.0
Episode 7
Chan and Ha-ran reunite after his U.S. return. At a SHIM party, their bond grows while Chan starts recording his resurfacing memories.
E8 · Airs Mar 20, 2026 · 1h 5m · ★ 10.0
Episode 8
Ha-ran helps Chan reveal his father's watch secret. After their reconciliation, Ha-ran wins an award but meets a shocking face at the ceremony.
E9 · Airs Mar 21, 2026 · 1h 8m · ★ 10.0
Episode 9
Chan's unintentional lie about the fountain pen weighs on his conscience. To stay close to Ha-ran, he must decide if the truth is worth the risk.
E10 · Airs Mar 27, 2026 · 1h 5m · ★ 10.0
Episode 10
Chan's envy of Su-jin and Ha-ran grows. As Ha-ran celebrates Chan’s birthday, she moves past her "winter" while Nana makes a choice in Chuncheon.
E11 · Airs Mar 28, 2026 · 1h 7m · ★ 10.0
Episode 11
Ha-ran, who learns Chan's secret from seven years ago through the "1-Inch of Memory" notebook, falls into confusion upon realizing that even the fountain pen was a gift he had prepared.
E12 · Airs Apr 3, 2026 · 1h 11m · ★ 9.0
Episode 12
After their trial ends, Haran learns the truth. Chan has vanished, but discovering his feelings, she goes to find him.