The BEST episodes of Twenty Five, Twenty One season 1

Every episode of Twenty Five, Twenty One season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Twenty Five, Twenty One season 1!

The wandering and growth of young people whose dreams were taken away in chaotic times of 1998. At twenty-two and eighteen, the man and woman called the other's name the first time. Now they became twenty-five and twenty-one. This is about the beautiful memories of their refreshing first love, loving and growing together. Their genuine and fierce growth, friendship, worries, and excitement will be displayed.

Last Updated: 3/11/2026Network: tvNStatus: Ended

8.75

84 votes

#1 - Episode 9

Season 1 - Episode 9 - Aired 3/12/2022

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.

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8.72

88 votes

#2 - Episode 7

Season 1 - Episode 7 - Aired 3/5/2022

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.

Watch Now:Amazon Apple TV

8.71

77 votes

#3 - Episode 15

Season 1 - Episode 15 - Aired 4/2/2022

Hee-do once again finds herself opposite her most formidable opponent. Yi-jin is busier than ever after transferring to another department.

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8.71

82 votes

#4 - Episode 11

Season 1 - Episode 11 - Aired 3/19/2022

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.

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8.63

87 votes

#5 - Episode 16

Season 1 - Episode 16 - Aired 4/3/2022

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.

Watch Now:Amazon

8.60

81 votes

#6 - Episode 10

Season 1 - Episode 10 - Aired 3/13/2022

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.

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8.60

78 votes

#7 - Episode 14

Season 1 - Episode 14 - Aired 3/27/2022

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.

Watch Now:Amazon

8.58

84 votes

#8 - Episode 12

Season 1 - Episode 12 - Aired 3/20/2022

Unable to hold back from putting an end to Mr. Seo's abusive behavior, Seung-wan stands her ground. Hee-do and Yu-rim support their distraught teammate named Yeji.

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8.51

77 votes

#9 - Episode 13

Season 1 - Episode 13 - Aired 3/26/2022

Warnings about allowing his personal ties to affect his work weigh heavily on Yi-jin. The school fencing team enters their last competition together.

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8.47

86 votes

#10 - Episode 4

Season 1 - Episode 4 - Aired 2/20/2022

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.

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8.43

91 votes

#11 - Episode 5

Season 1 - Episode 5 - Aired 2/26/2022

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.

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8.38

84 votes

#12 - Episode 6

Season 1 - Episode 6 - Aired 2/27/2022

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.

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8.36

88 votes

#13 - Episode 3

Season 1 - Episode 3 - Aired 2/19/2022

When a fortuitous opportunity presents itself, Hee-do begs her coach for extra training. An unanticipated visitor comes around hoping to see Yi-jin.

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8.28

81 votes

#14 - Episode 8

Season 1 - Episode 8 - Aired 3/6/2022

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.

Watch Now:Amazon Apple TV

8.26

100 votes

#15 - Episode 2

Season 1 - Episode 2 - Aired 2/13/2022

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.

Watch Now:Amazon

8.02

103 votes

#16 - Episode 1

Season 1 - Episode 1 - Aired 2/12/2022

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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