S01E0150:331. Episode 1Empowered by the God of Light, Taesan and the angels fight with Marok to protect the world as Ogwi and Samin plot to plunge the world into darkness.Episodes — Season 1
Season pageS01E0150:331. Episode 1Empowered by the God of Light, Taesan and the angels fight with Marok to protect the world as Ogwi and Samin plot to plunge the world into darkness.
S01E0250:552. Episode 2While Taesan is haunted by his past guilt, Samin seeks Ogwi's help to steal Mirr's power. An odd light signals the evil's return.
S01E0349:173. Episode 3After evil spirits strike, Tae-san worries for the injured angels. O-gwi, with the soul stone, vows revenge as Ma-rok secretly hunts Sa-min.
S01E0449:344. Episode 4Marok warns Taesan of Ogwi and Samin’s return. As they sense the evil at their gathering, Geumsoon, the only human Taesan cares for, becomes a target.
S01E0551:205. Episode 5Taesan protects the angels and Geumsoon, while Samin kidnaps Mirr. Ogwi takes the power of Mirr and the soul stone. Marok unleashes his wand's power.
S01E0649:226. Episode 6Ogwi battles Samin for the soul stone and escapes with Mirr. Taesan opens the Hellmouth, restoring the angels' powers but unleashing evil worldwide
S01E0749:167. Episode 7Ogwi prayed to God, but a different entity answers him. To stop Samin from stealing Mirr's dragon soul, Taesan storms an underground temple in fury.
S01E0850:218. Episode 8As angels clash with Samin's fallen angels, Taesan falls defending Mirr, only to rise again to seal away the evil and save the angels.Where to stream Twelve
Subscription
Availability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
Twelve synopsis
A group of heroes, each embodying one of the 12 zodiac signs, battles to defend the Korean Peninsula from malevolent spirits.
Twelve cast
Don LeeTae-san · 8 ep.
Park Hyung-sikOgwi · 8 ep.
Seo In-gukWon-seung · 8 ep.
Lee Ju-binMir · 8 ep.
Ko Kyu-pilDo-ni · 8 ep.
Kang Mi-naKang-ji · 8 ep.
Sung Yoo-binJui-dol · 8 ep.
Ahn Ji-hyeMal-sook · 8 ep.
Regina LeiBang-wool · 8 ep.
Sung Dong-ilMa-rok · 8 ep.
Kim Chan-hyungSa-min · 8 ep.
Ye Su-jeongGeum-soon · 6 ep.
Son Jong-hakMan-bok · 4 ep.
Na In-wooHa-nu · 3 ep.
Han Ye-jiYang-mi · 3 ep.
Bae Yu-ramMr. To · 3 ep.Twelve trailer
About the series Twelve
Twelve is a series (sci-fi & fantasy and action & adventure) created by Kim Bong-han, airing on KBS2 since 2025. It has 1 season and 8 episodes of about 45 minutes each. The series ended on September 14, 2025. Cast members include Don Lee, Park Hyung-sik and Seo In-guk. It is rated 7.2/10 by 51 TMDB users.
Frequently asked questions about Twelve
Where to watch Twelve online?
In the United States, Twelve is available with a subscription on Hulu (source: JustWatch via TMDB, offers subject to change). Each episode has its own page with this information.
How many seasons of Twelve are there?
Twelve has 1 season for a total of 8 episodes.
Has Twelve ended?
Yes, the series has ended: the last episode aired on September 14, 2025.
Who stars in Twelve?
The lead actors are Don Lee (Tae-san), Park Hyung-sik (Ogwi), Seo In-guk (Won-seung), Lee Ju-bin (Mir), Ko Kyu-pil (Do-ni).