

A group of young adults share their last week of teens and first week of twenties together — experiencing freedom and all the “firsts” of adulthood.
TV-14 • Reality • Series • 2023 • 1 season
Starring: Kyuhyun, Kim Ji-eun, Lee Su-hyun
Created by: Kim Jung-hyun, Park Su-ji, Kim Jae-won

S1 E1 - Episode 1
Eight teens start their first day of School 19, getting to know each other while following one rule that'll pique their curiosity.
Jul 11, 2023 • 57m

S1 E2 - Episode 2
On day two of School 19, the teens swap stories about their past relationships — later tasked with homework that'll make their hearts flutter.
Jul 11, 2023 • 58m

S1 E3 - Episode 3
Just as the eight classmates settle into their dynamic, two new transfer students enter School 19. How will this addition shake up the group?
Jul 11, 2023 • 52m

S1 E4 - Episode 4
Sparks fly as the 10 students pair up for cooking class. They later head to an amusement park, where thrilling rides risk revealing hidden feelings.
Jul 18, 2023 • 57m

S1 E5 - Episode 5
On the last day of School 19, the students pair up for a dancesport class — and new feelings arise. Upon graduating, they move into House 20.
Jul 18, 2023 • 1h

S1 E6 - Episode 6
It's the New Year and the no-dating rule is no more. As the group forms deeper connections, Dream Dates raise the stakes for the doe-eyed youngsters.
Jul 18, 2023 • 1h 10m

S1 E7 - Episode 7
A few housemates pair up to go on dates, solidifying connections — for better or for worse. The first two Dream Dates are announced.
Jul 25, 2023 • 1h 8m

S1 E8 - Episode 8
The housemates begin scouting for the Dream Date. Will the dates blossom into something more? Or will they lead to a change of hearts?
Jul 25, 2023 • 1h 12m

S1 E9 - Episode 9
A couple goes on their Dream Date — but feelings remain complicated. As the housemates go on their own dates, conflicting emotions bubble to the surface.
Jul 25, 2023 • 1h 3m

S1 E10 - Episode 10
A couple of once-mutual connections turn distant. A new Dream Date announcement leaves the housemates navigating an emotional minefield.
Jul 25, 2023 • 1h 11m

S1 E11 - Episode 11
After a drama-filled night in House 20, the housemates continue to go on dates. While a couple cements their relationship, they face an accident.
Aug 1, 2023 • 1h 3m

S1 E12 - Episode 12
An unintended eavesdrop creates soured feelings. Two couples go on their long-awaited Dream Dates, leading to heartbreak back at the house.
Aug 1, 2023 • 1h 24m

S1 E13 - Episode 13
As their time in House 20 nears the end, the housemates reflect on their time together. While some make their relationships official, some find closure.
Aug 1, 2023 • 1h 27m
Nineteen to Twenty
A group of young adults share their last week of teens and first week of twenties together — experiencing freedom and all the “firsts” of adulthood.
TV-14 • Reality • TV Series • 2023