12 episodes
First episode: E1
Happiness
In a post-COVID world, a mysterious drug called “Next” sparks a terrifying outbreak of madness. As violent deaths rise, detective Prap reveals a chilling link between the chaos and the drug—uncovering a conspiracy far darker than expected.
Created by: Han Sang-un
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Quick answers about this series, release status, and episode totals.
When did Happiness first air?
Happiness first aired on May 30, 2025.
How many seasons and episodes does Happiness have?
Happiness currently has 1 season and 12 episodes.
When is the next episode of Happiness?
Happiness is ended, and no upcoming episode is currently scheduled.