The WORST episodes of 20th Century Boy and Girl

Every episode of 20th Century Boy and Girl ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of 20th Century Boy and Girl!

The friendship and love lives of three single virgins born in 1983. The boy they liked in their youth shows up one day when they live in rundown apartments. They discover the meaning of home, family, and friendship.

Last Updated: 10/30/2024Network: MBCStatus: Ended
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P.S. I Love You
star
7.00
3 votes

#1 - P.S. I Love You

Season 1 - Episode 13 - Aired 10/30/2017

Jin Jin and Ji Won become honest with each other. Gradually, they start to bond more. Meanwhile, during the gathering of Anthony and Jin Jin's variety show, Jin Jin becomes a black knight for him.

Watch Now:Amazon
My Friend's Wedding
star
7.00
3 votes

#2 - My Friend's Wedding

Season 1 - Episode 11 - Aired 10/24/2017

As part of a wedding event, Jin Jin has to pick Anthony among three men, including Ji Won, who are hidden behind masks. Jin Jin mistakenly picks Ji Won, so Anthony feels disappointed. Meanwhile, Anthony loses the wedding ring he exchanged with Jin Jin.

Watch Now:Amazon
The Wedding
star
7.00
3 votes

#3 - The Wedding

Season 1 - Episode 10 - Aired 10/23/2017

Jin Jin and Anthony meet again for the second shoot of "We Got Married". They have to invite their friends and family for the wedding. Jin Jin invites Ah Reum and Young Shim, and Anthony ends up inviting Ji Won, who unexpectedly sees Jin Jin wearing a wedding dress.

Watch Now:Amazon
The Four Bongos
star
7.33
3 votes

#4 - The Four Bongos

Season 1 - Episode 32 - Aired 11/28/2017

Jin Jin and Ji Won almost get caught by her brother. Jin Jin's dad senses something going on between her and Ji Won. He tells her to move downstairs, saying that he will rent out the room above.

Watch Now:Amazon
Happy Ending
star
7.33
3 votes

#5 - Happy Ending

Season 1 - Episode 31 - Aired 11/28/2017

Jin Jin embraces Ji Won’s hurt past. Seeing this, Ji Won makes a big decision and proposes to her. However, articles involving paparazzi shots of Jin Jin arise.

Watch Now:Amazon
Only the Moon Knows Whom I Love
star
7.33
3 votes

#6 - Only the Moon Knows Whom I Love

Season 1 - Episode 30 - Aired 11/27/2017

Jin Jin and Ji Won go on a double date with Jin Jin’s stylist, Mi Dal, and Ji Won’s secretary. Meanwhile, Ah Reum meets Woo Sung’s sisters. The sisters all thank her for dating their ugly brother.

Watch Now:Amazon
Begin Again
star
7.33
3 votes

#7 - Begin Again

Season 1 - Episode 29 - Aired 11/27/2017

Jin Jin meets Anthony on a new drama, and they practice together. Meanwhile, Ji Won’s ex, Bella, contacts him after a long time and gives him mixed emo-tions. Jin Jin becomes anxious.

Watch Now:Amazon
Before Sunrise
star
7.33
3 votes

#8 - Before Sunrise

Season 1 - Episode 27 - Aired 11/21/2017

After much hardship, Jin Jin and Ji Won successfully find Jin Jin's sister, Ho Sung. Jin Jin begs her to go back home with her, but Ho Sung is determined not to go. Meanwhile, Mi Kyung decides to get surgery for her glaucoma, and the family is nervous.

Watch Now:Amazon
Love Cosmos
star
7.33
3 votes

#9 - Love Cosmos

Season 1 - Episode 26 - Aired 11/20/2017

Both Anthony and Ji Won strive to look for Jin Jin's sister. Ji Won takes Jin Jin to Ha Dong. Meanwhile, Anthony and Jin Jin decide to stop shooting "We Got Married".

Watch Now:Amazon
While You Are in Love
star
7.33
3 votes

#10 - While You Are in Love

Season 1 - Episode 25 - Aired 11/20/2017

Ji Won tells his brother, Anthony, that Jin Jin is his first love as well as his girl-friend. Meanwhile, Jin Jin is in shock after finding out about her mother's glau-coma. Depressed and desperate, she heads out with Ji Won to find her older sister, Ho Sung.

Watch Now:Amazon
Are You Going to Get Married?
star
7.33
3 votes

#11 - Are You Going to Get Married?

Season 1 - Episode 23 - Aired 11/14/2017

Ji Won tries numerous times to tell his brother, Anthony, about his relationship with Jin Jin. However, every time he attempts to do so, something gets in the way. Anthony, however, notices their relationship and is in a dilemma.

Watch Now:Amazon
Stand By Me
star
7.33
3 votes

#12 - Stand By Me

Season 1 - Episode 15 - Aired 10/31/2017

Jin Jin, Ji Won, and Anthony have dinner together. Anthony becomes curious about how Ji Won feels about Jin Jin. Meanwhile, Jin Jin suddenly collapses and is taken to the hospital.

Watch Now:Amazon
The First Date
star
7.33
3 votes

#13 - The First Date

Season 1 - Episode 12 - Aired 10/24/2017

Jin Jin meets Anthony at a restaurant and has dinner with him. Jin Jin gets nervous as she thinks of it as a date. Young Shim gets appointed as Jong Hwa's lawyer and tries her best to help him. Meanwhile, Ji Won helps Jin Jin catch a bug in her room, and the door accidentally gets locked.

Watch Now:Amazon
I Think I Found My Medicine
star
7.50
2 votes

#14 - I Think I Found My Medicine

Season 1 - Episode 22 - Aired 11/13/2017

Ah Reum and Young Shim notice that Ji Won and Jin Jin like each other. How-ever, the latter two do not realize this. Meanwhile, rumors spread about how Jin Jin and Anthony might get married. This upsets Ji Won.

Watch Now:Amazon
Let’s Stop Here
star
7.50
2 votes

#15 - Let’s Stop Here

Season 1 - Episode 28 - Aired 11/21/2017

Anthony thinks that it's time for him to retire from the entertainment industry. However, Jeong Eun demands he take on one last project. Meanwhile, Jin Jin's mother undergoes surgery for her eyes.

Watch Now:Amazon
I Know Nothing about You
star
7.50
4 votes

#16 - I Know Nothing about You

Season 1 - Episode 24 - Aired 11/14/2017

Ah Reum and Woo Sung go on their first date, but it becomes too awkward. Jin Jin's mother has a hard time seeing. Meanwhile, Jin Jin and Anthony agree to tell each other everything.

Watch Now:Amazon
10 Reasons Why I Can’t Love You
star
7.50
2 votes

#17 - 10 Reasons Why I Can’t Love You

Season 1 - Episode 17 - Aired 11/6/2017

Thanks to Anthony, Jin Jin's life is saved. After waking up and finding out that Ji Won has not called her once, she becomes sad. When she finds out that he has returned home, her sadness deepens. In the end, she decides to tell him exactly how she feels.

Watch Now:Amazon
Love Letter
star
7.75
4 votes

#18 - Love Letter

Season 1 - Episode 6 - Aired 10/16/2017

Anthony hears that there could be a reunion show for Boys Be Ambitious and visits Terius to talk about it. However, Terius doesn't seem too interested by the idea. Meanwhile, Young Shim starts working with Lawyer Kang.

Watch Now:Amazon
The Curse of Bongo
star
7.75
4 votes

#19 - The Curse of Bongo

Season 1 - Episode 5 - Aired 10/16/2017

Jin Jin and Ah Reum keep looking up information on Gong Ji Won on the internet, and they find out that he is married. Ah Reum wants to ask Dong Hoon out, but she hesitates to make the first move.

Watch Now:Amazon
Tian Mi Mi, as Sweet as Honey
star
8.00
4 votes

#20 - Tian Mi Mi, as Sweet as Honey

Season 1 - Episode 21 - Aired 11/13/2017

Jin Jin and Ji Won start dating in secret and enjoy their time together. Mean-while, Ji Won decides to disclose to Anthony about his relationship with Jin Jin. However, things do not go their way.

Watch Now:Amazon
Death Day
star
8.00
4 votes

#21 - Death Day

Season 1 - Episode 16 - Aired 10/31/2017

Anthony presents Jin Jin with a small tree for their dinner. Jin Jin tells him that it's an amazing gift. Anthony wants to tell her that it's actually from Ji Won, but Ji Won stops him from saying anything.

Watch Now:Amazon
What Is Your Wish?
star
8.00
4 votes

#22 - What Is Your Wish?

Season 1 - Episode 14 - Aired 10/30/2017

During the gathering, Jin Jin is determined to protect Anthony. She sits next to him and secretly switches his drinks with her water. Consequently, she gets very drunk.

Watch Now:Amazon
My First Love
star
8.00
4 votes

#23 - My First Love

Season 1 - Episode 9 - Aired 10/23/2017

Jin Jin runs into Ji Won who's temporarily staying at Jin Jin's parents' place. She learns that Ji Won's not married. Meanwhile, Jin Jin starts shooting "We Got Married" with Anthony, but they have to keep it a secret.

Watch Now:Amazon
Christmas in August
star
8.00
4 votes

#24 - Christmas in August

Season 1 - Episode 8 - Aired 10/17/2017

Ji Won goes home after a long time and meets Anthony, his step-brother. Before going to work, Jin Jin stops by at her old elementary school and meets up with Ah Reum and Young Shim. A few minutes later, Ji Won shows up in front of them. Meanwhile, Jin Jin starts a new program called “We Got Married”, and she’s surprised to see who her partner is.

Watch Now:Amazon
An Unexpected Turn of Event
star
8.00
4 votes

#25 - An Unexpected Turn of Event

Season 1 - Episode 7 - Aired 10/17/2017

Ji Won runs into Jin Jin late at night at a theater. He asks Jin Jin to have a quick meal at a street stall, but she refuses. Meanwhile, Ah Reum witnesses Dong Hoon kissing Ji Hye after a get-together and gets her heart broken.

Watch Now:Amazon