Feb 12, 2022 · 1h 16m
When the IMF financial crisis threatens to slash Na Hee-do's dreams, she sets out to get herself transferred to another school with a fencing program.

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Feb 12, 2022 · 1h 16m
When the IMF financial crisis threatens to slash Na Hee-do's dreams, she sets out to get herself transferred to another school with a fencing program.
Feb 13, 2022 · 1h 15m
Though taken aback by Ko Yu-rim's cold attitude, Hee-do gives it her best in their first face-off. More of Back Yi-jin's situation comes into focus.
Feb 19, 2022 · 1h 11m
When a fortuitous opportunity presents itself, Hee-do begs her coach for extra training. An unanticipated visitor comes around hoping to see Yi-jin.
Feb 20, 2022 · 1h 15m
In exchange for a favor, Hee-do carries out a daily errand for Moon Ji-woong. She happens across a drunk Yi-jin after he fails another job interview.
Feb 26, 2022 · 1h 17m
Hee-do takes one giant leap closer to her dream. She's eager to tell Yi-jin the good news — but realizes he's disappeared without a trace.
Feb 27, 2022 · 1h 15m
Tensions run high between Hee-do and Yu-rim before an important event. Yi-jin takes on a new assignment, and spots a familiar face in the crowd.
Mar 5, 2022 · 1h 13m
A frustrating media narrative dampens a monumental moment for Hee-do. Yi-jin chases down the only person who may be able to set things right.
Mar 6, 2022 · 1h 13m
Hee-do perceives a growing distance between herself and Yi-jin, even as he moves back into the neighborhood. Trouble at home adds to Yu-rim's stress.
Mar 12, 2022 · 1h 13m
As Yu-rim's perspective on Hee-do shifts, so does her behavior. While Hee-do avoids seeing Yi-jin, he volunteers for a special documentary project.
Mar 13, 2022 · 1h 11m
Under the guise of work, Yi-jin takes Hee-do and Yu-rim on a weekend getaway to the ocean — and agrees to let Ji Seung-wan and Ji-woong tag along.
Mar 19, 2022 · 1h 17m
Hee-do grows upset when her career-obsessed mother fails to keep a promise. Yi-jin helps out Ji-woong's plans for a grand gesture at a music festival.
Mar 20, 2022 · 1h 15m
Unable to hold back from putting an end to a teacher's abusive behavior, Seung-wan stands her ground. Hee-do and Yu-rim support a distraught teammate.
Mar 26, 2022 · 1h 15m
Warnings about allowing his personal ties to affect his work weigh heavily on Yi-jin. The school fencing team enters their last competition together.
Mar 27, 2022 · 1h 19m
Shouldering the burdens of a sudden misfortune in her family, Yu-rim arrives at a decision that places her in hot water with the public.
Apr 2, 2022 · 1h 29m
Hee-do once again finds herself opposite her most formidable opponent. Yi-jin is busier than ever after transferring to another department.
Apr 3, 2022 · 1h 30m
In an emotionally charged exchange, Hee-do and Yi-jin confront the state of their relationship. Hee-do accidentally leaves her diary on a bus.
Quick answers about this season's release timeline and episode lineup.
Twenty Five Twenty One Season 1 premiered on February 12, 2022.
Twenty Five Twenty One Season 1 has 16 episodes.
The season opens with Season 1 Episode 1, "Episode 1". It aired on February 12, 2022.
Go to Season 1 Episode 1