18 Again Facts, FAQ & Common Questions
2020 · JTBC · Status: Ended · Rated: Not Rated
Frequently Asked Questions About 18 Again
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does 18 Again have?
18 Again has 1 season and 16 total episodes, spanning from its premiere on September 21, 2020 to November 10, 2020.
Is 18 Again renewed, ended, or canceled?
18 Again has concluded its run and is officially ended.
How long does it take to binge watch 18 Again?
It takes 18h 40m (1120 minutes) to watch the complete run of 18 Again. At a standard pace of 2 hours per day, you will finish the entire series in approximately 10 days. Possible with dedication! Finishing this 18.7-hour series over Saturday and Sunday requires around 9.4 hours of viewing each day.
Where can you stream or watch 18 Again?
18 Again is available for streaming on Netflix, Zee5, HBO Max, HBO Max Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for 18 Again?
18 Again has an official content rating of Not Rated.
Who are the lead actors in 18 Again?
The primary ensemble cast includes Lee Do-hyun as Hong Dae-young / Go Woo-young (age 31), Kim Ha-neul as Jung Da-jung (age 48), Yoon Sang-hyun as Hong Dae-young (37 years old) (age 53), Roh Jeong-eui as Hong Shi-ah (age 25).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Lee Do-hyun | Hong Dae-young / Go Woo-young | 31 |
| Kim Ha-neul | Jung Da-jung | 48 |
| Yoon Sang-hyun | Hong Dae-young (37 years old) | 53 |
| Roh Jeong-eui | Hong Shi-ah | 25 |
| Ryeoun | Hong Shi-woo | 28 |
| Wi Ha-jun | Ye Ji-hoon | 35 |
| Kim Kang-hyun | Go Deok-jin | 49 |
| Lee Mi-do | Choo Ae-rin | 44 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for 18 Again are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.