Twelve (트웰브, Teuwelbeu), a 2025 South Korean television series, has taken the fantasy action genre by storm with its unique blend of mythology, superhero dynamics, and high-stakes drama. Airing on KBS2 from August 23 to September 14, 2025, this eight-episode series has captivated audiences with its compelling narrative and stellar cast. Available for streaming on U+ Mobile TV in South Korea and Disney+ in select regions, Twelve is a must-watch for fans of fantasy and action. Below, we dive into what makes this series a standout.
A Mythical Premise Rooted in the Eastern Zodiac
Twelve centers on twelve heavenly beings, each embodying an animal of the Eastern zodiac, led by the tiger-symbolizing Tae-san, portrayed by Ma Dong-seok. Long ago, these angels sealed a powerful demonic entity, sacrificing four of their own in the process. Haunted by loss, the remaining eight withdrew from the mortal world, vowing non-interference. However, the resurgence of an ancient evil spirit, O-gwi, forces them to reunite and confront the threat to prevent global chaos. This premise weaves together themes of duty, sacrifice, and redemption, grounded in rich cultural symbolism.
A Star-Studded Cast
The series boasts an impressive ensemble, bringing depth to its celestial characters:
- Ma Dong-seok as Tae-san, the tiger angel and leader, whose stoic strength hides deep grief.
- Seo In-guk as O-gwi, the malevolent spirit challenging the angels.
- Park Hyung-sik as the monkey angel, a cunning contender for leadership.
- Sung Dong-il as the human manager with divine abilities, guiding the angels.
- Lee Joo-bin as the dragon angel, whose sealed powers hold ancient secrets.
- Ko Kyu-pil as the pig angel, a mind-reading nurse with agile combat skills.
- Kang Mi-na as the dog angel, a fierce protector with demon-tracking abilities.
- Sung Yoo-bin as the rat angel, known for quick judgment.
- Ahn Jihye as the horse angel.
- Regina Lei as the snake angel, a mute doctor relying on the pig angel to voice her thoughts.
This diverse cast delivers nuanced performances, balancing action-packed sequences with emotional depth.
Production Excellence
Directed by Kang Dae-gyu (Harmony, Pawn) and Han Yun-seon, with a script by Kim Bong-han and Ma Dong-seok, Twelve is a visual and narrative triumph. Produced by Contents, Big Punch Pictures, Nova Film, Monster Union, The Contents On, and Studio X+U, the series had a budget of ₩20 billion (approximately $15 million USD). Filming began in October 2024, with cinematography by Chae Jeong-suk and Yoon Yeong-su, and editing by Go Ah-mo, ensuring a polished, fast-paced 45-minute episodic format. The opening theme, “Taesan” by Tiger JK, adds a dynamic energy to the series.
Viewership and Reception
Twelve premiered to strong ratings, with its first episode on August 23, 2025, achieving an 8.1% nationwide audience share, ranking second in its slot. While viewership fluctuated, dipping to a low of 2.4% for the finale, the series maintained an average of 4.1% nationwide, reflecting a dedicated audience. Its availability on streaming platforms broadened its reach, appealing to both domestic and international viewers.
Why Twelve Stands Out
The series excels in blending Korean mythology with superhero tropes, creating a fresh narrative that resonates globally. The zodiac-based framework offers a culturally rich backdrop, while the angels’ personal struggles add emotional weight. High production values, intense action sequences, and a talented cast make Twelve a visually spectacular and emotionally engaging experience.
Where to Watch
Catch Twelve on KBS2 every Saturday and Sunday at 21:20 (KST), or stream it on U+ Mobile TV in South Korea and Disney+ in select regions. Whether you’re a fan of fantasy, action, or character-driven stories, Twelve delivers a thrilling ride.
Have you watched Twelve yet? Share your thoughts on this epic zodiac battle in the comments below!