18 Again
“You're young again. You're at an age full of dreams and hope. What's your dream now that you're young again?”
Where to watch 18 Again in Thailand
18 Again is streaming on Netflix, iflix, Viu and HBO Max in Thailand. Availability checked 23 May 2026.
About 18 Again
18 Again is a 2020 web series in the Drama, Comedy and Sci-Fi & Fantasy genres, created by Ha Byung-hoon, starring Lee Do-hyun, Kim Ha-neul and Yoon Sang-hyun. It spans 1 season and 16 episodes, and originally aired on JTBC. It holds an average rating of 8.3/10 from 261 viewers. Below you can see where to watch 18 Again in Thailand — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
18 Again trailer
Overview
At a difficult place in his marriage and career, a middle-aged man gets a shot at a do-over when he's transformed back into his 18-year-old body.
Seasons (1)
- Season 116 episodes · 2020
Top cast
Lee Do-hyun
Hong Dae-young / Go Woo-young
Kim Ha-neul
Jung Da-jung
Yoon Sang-hyun
Hong Dae-young (37 years old)
Roh Jeong-eui
Hong Shi-ah
Ryeoun
Hong Shi-woo
Wi Ha-jun
Ye Ji-hoon
Kim Kang-hyun
Go Deok-jin
Lee Mi-do
Choo Ae-rin
Han So-eun
Young Jung Da-jung
Choi Bo-min
Seo Ji-ho
Hwang In-yeop
Goo Ja-sung
Kim Yoo-ri
Ok Hae-in
Lee Ki-woo
Choi Il-kwon
Ahn Nae-sang
JBC Director
Yoon Byul-ha
Ye Seo-yeon
Ko Eun-min
Lim Ja-young
Kim Sun-min
Choi Il-kwon [Young]
Themes & keywords
Frequently asked questions
Where can I watch 18 Again in Thailand?+
In Thailand, you can stream 18 Again on Netflix, iflix, Viu and HBO Max.
Is 18 Again on Netflix?+
Yes — 18 Again is available to stream on Netflix in Thailand.
How many seasons of 18 Again are there?+
18 Again has 1 season and 16 episodes in total.
Who stars in 18 Again?+
18 Again stars Lee Do-hyun, Kim Ha-neul, Yoon Sang-hyun, Roh Jeong-eui and Ryeoun.
When did 18 Again come out?+
18 Again is a 2020 web series created by Ha Byung-hoon.
What genre is 18 Again?+
18 Again is Drama, Comedy and Sci-Fi & Fantasy series.
Who created 18 Again?+
18 Again was created by Ha Byung-hoon.
User reviews
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