
If you loved
18 Again
Ha Byung-hoon · Series · 2020
What hooked you in 18 Again was the poignant exploration of how revisiting the past forces a radical shift in perspective.
Start with the source

The source
17 Again
Film · 2009
Books on the same thread
The Midnight Library
Matt Haig · Book · 2020
Explores: Regret, Second Chances, Existentialism.
Much like 18 Again, this story uses a surreal premise to examine the weight of regret, asking if changing your life choices truly resolves the existential crisis of adulthood.
Dark Matter
Blake Crouch · Book · 2016
Shares a thread with 18 Again: Identity Crisis.
If the identity crisis at the heart of 18 Again resonated with you, this thriller offers a darker look at the consequences of yearning for a different life path.

This Time Tomorrow
Emma Straub · Book
Explores: second chances, parent-child relationships, coming of age.
This narrative mirrors the nostalgic longing found in 18 Again, focusing on how returning to one's youth provides a necessary, transformative lens for reconciling with complex parent-child relationship dynamics.
Films on the same thread

17 Again
Film · 2009
Shares a thread with 18 Again: Nostalgia.
Fans of 18 Again will immediately recognize the familiar premise of a midlife crisis resolved through a magical second chance, offering a lighthearted take on the same emotional journey.
Podcasts on the same thread

Hidden Brain
Hidden Brain, Shankar Vedantam · Podcast · 2026
Explores: cognitive bias, human behavior, interpersonal dynamics.
Since 18 Again explores the complexities of marriage and self-perception, this podcast provides the psychological depth needed to understand the human behaviors that drive those difficult, real-world interpersonal patterns.

Recycle Bin
fpt. · Podcast · 2025
Explores: internet culture, tech industry news, casual conversation.
While 18 Again uses fantasy to reflect on life, this podcast mirrors the show's conversational charm, offering a humorous and analytical space that complements your interest in human connection.
Keep exploring
Common questions
Is 18 Again based on the movie 17 Again?
Yes, 18 Again is a South Korean television adaptation that draws inspiration from the 2009 American film 17 Again. Both titles feature a middle-aged protagonist who receives a second chance at life after being transformed back into his 18-year-old body.
Should I watch 17 Again if I enjoyed 18 Again?
If you enjoyed the premise of 18 Again, you may appreciate 17 Again. Both stories explore the concept of a man in a difficult stage of his marriage and career who is suddenly granted the opportunity to relive his youth as a teenager.
What is the main premise of 18 Again?
The show 18 Again follows a middle-aged man who is facing significant struggles in his professional life and marriage. He is suddenly given a do-over when he is physically transformed back into his 18-year-old body, allowing him to experience his youth once more.
Is 18 Again a remake of 17 Again?
The television series 18 Again is an adaptation of the 2009 movie 17 Again. While they are different productions, both center on a man who undergoes a supernatural transformation back to his teenage years while dealing with the burdens of his adult life.