The BEST Episodes of 20th Century Boy and Girl
Every episode ever - ranked by fan votes!
Last Updated: Sep 20, 2021
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.
#1 - I Hate Myself the Most
Season 1 - Episode 18 - Aired Nov 6, 2017
Anthony and Jin Jin do a couple photoshoot. A commercial offer related to rubber gloves and newlyweds come in, but Anthony is hesitant to accept it. Meanwhile, on her way to Ah Reum's housewarming party, Jin Jin gets lost.
#2 - Love Wind Love Song
Season 1 - Episode 19 - Aired Nov 7, 2017
While filming "We Got Married" on Jeju Island, Jin Jin and Anthony become closer. Meanwhile, Ji Won cancels the blind date and reevaluates his feelings for Jin Jin. He makes a decision.
#3 - I’m Sick of It
Season 1 - Episode 20 - Aired Nov 7, 2017
After shooting "We Got Married", the entire crew eats dinner. Jin Jin accidentally eats shrimp and gets an allergic reaction. Ji Won sees this and brings her to a pharmacy. Meanwhile, Ah Reum gets into a taxi that is driven by a pervert.
#4 - Sex Tape
Season 1 - Episode 2 - Aired Oct 9, 2017
Jin Jin decides to do the variety show in Hong Kong. Gong Ji Won is living in Hong Kong while working at a hedge fund. Meanwhile, a shocking news article has spread virally.
#5 - The Boy We Loved Back Then
Season 1 - Episode 1 - Aired Oct 9, 2017
Sa Jin Jin is a celebrity in her 30s. She is currently the most popular star, and everyone is head-over-heels for her. Despite her popularity, Jin Jin is only in love with a man named Anthony.
#6 - Love Story
Season 1 - Episode 3 - Aired Oct 9, 2017
A sex tape is released, claiming that the woman in the video is Jin Jin. Jin Jin visits her friend at the OBGYN who recently underwent surgery. A rumor starts to spread that she is pregnant.
#7 - It's Been a Long Time
Season 1 - Episode 4 - Aired Oct 9, 2017
The word is out about Jin Jin staying at an OBGYN for seven hours and leaving in the middle of the night. Reporters try to hunt her down to obtain more infor-mation. While dressed as a delivery woman, Jin Jin meets Ji Won.
#8 - An Unexpected Turn of Event
Season 1 - Episode 7 - Aired Oct 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.
#9 - Christmas in August
Season 1 - Episode 8 - Aired Oct 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.
#10 - My First Love
Season 1 - Episode 9 - Aired Oct 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.
#11 - What Is Your Wish?
Season 1 - Episode 14 - Aired Oct 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.
#12 - Death Day
Season 1 - Episode 16 - Aired Oct 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.
#13 - Tian Mi Mi, as Sweet as Honey
Season 1 - Episode 21 - Aired Nov 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.
#14 - The Curse of Bongo
Season 1 - Episode 5 - Aired Oct 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.
#15 - Love Letter
Season 1 - Episode 6 - Aired Oct 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.
#16 - I Know Nothing about You
Season 1 - Episode 24 - Aired Nov 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.
#17 - The First Date
Season 1 - Episode 12 - Aired Oct 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.
#18 - Stand By Me
Season 1 - Episode 15 - Aired Oct 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.
#19 - 10 Reasons Why I Can’t Love You
Season 1 - Episode 17 - Aired Nov 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.
#20 - I Think I Found My Medicine
Season 1 - Episode 22 - Aired Nov 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.
#21 - Are You Going to Get Married?
Season 1 - Episode 23 - Aired Nov 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.
#22 - While You Are in Love
Season 1 - Episode 25 - Aired Nov 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.
#23 - Love Cosmos
Season 1 - Episode 26 - Aired Nov 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".
#24 - Before Sunrise
Season 1 - Episode 27 - Aired Nov 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.
#25 - Let’s Stop Here
Season 1 - Episode 28 - Aired Nov 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.