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Happiness

TV series

Happiness

5/ 10· 220251 season · 12 episodes
DramaAction & AdventureMystery

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

Seasons and episodes

1 season · 12 episodes

Ended
Season 1

Season 1

12 episodesMay 30, 2025
Open season page
  1. S1 E1

    Episode 1

    May 30, 2025

  2. S1 E2

    Episode 2

    May 31, 2025

  3. S1 E3

    Episode 3

    Jun 6, 2025

  4. S1 E4

    Episode 4

    Jun 7, 2025

  5. S1 E5

    Episode 5

    Jun 13, 2025

  6. S1 E6

    Episode 6

    Jun 14, 2025

Starring

Frequently asked questions

Where can I watch Happiness?
Happiness is not currently listed on a streaming service in the US. Use the country picker on the page to check other markets.
How many seasons of Happiness are there?
Happiness has 1 season and 12 episodes. Status: Ended.
Will there be a new season of Happiness?
Happiness has ended; no new episodes are scheduled. The final episode aired on July 5, 2025.
Who stars in Happiness?
Happiness stars Patchanan Jiajirachote, Suppapong Udomkaewkanjana, Dom Hetrakul, Thana Chatborirak, Paopetch Charoensook.

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