May 30, 2025
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
Season 1 Episodes
Browse every episode and jump into details.
May 31, 2025
Jun 6, 2025
Jun 7, 2025
Jun 13, 2025
Jun 14, 2025
Jun 20, 2025
Jun 21, 2025
Jun 27, 2025
Jun 28, 2025
Jul 4, 2025
Jul 5, 2025
Season 1 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Happiness Season 1 premiere?
Happiness Season 1 premiered on May 30, 2025.
How many episodes are in Happiness Season 1?
Happiness Season 1 has 12 episodes.
What is the first episode of Happiness Season 1?
The season opens with Season 1 Episode 1, "Episode 1". It aired on May 30, 2025.
Go to Season 1 Episode 1