Watch Online: Twelve (2025)

Twelve (2025) brings a thrilling supernatural twist to Korean television with an epic battle against malevolent spirits. This action-packed sci-fi drama unites a dozen heroes—each representing the zodiac signs—in an intense fight to protect the Korean Peninsula from dark forces. If you're looking to watch online the latest Korean fantasy series blending mythology, action, and heroic drama, here's everything you need to know about this must-watch show.

Plot & Premise

"Stand against evil and save the world."

Twelve follows an extraordinary group of heroes, each embodying the unique characteristics of the 12 zodiac signs. United by destiny and driven by a shared mission, these protagonists must work together to defend the Korean Peninsula from a supernatural threat—malevolent spirits determined to wreak havoc. This high-concept premise combines traditional zodiac mythology with modern action-adventure storytelling, creating a unique viewing experience that appeals to fans of supernatural dramas and fantasy epics.

Release Date & Episode Guide

Twelve premiered on August 23, 2025 on KBS2. The complete series consists of 1 season with 8 episodes, each running approximately 45 minutes. The series has concluded, so the full season is now available for streaming.

Complete Cast List

This star-studded production features an impressive ensemble cast, including:

Don Lee, Park Hyung-sik, Seo In-guk, Lee Ju-bin, Ko Kyu-phil, Kang Mi-na, Sung Yu-been, Ahn Ji-hye, Regina Lei, and Sung Dong-il.

The chemistry between these talented actors brings the zodiac heroes to life, delivering compelling performances that anchor the series' emotional depth alongside its action sequences.

Behind the Scenes: Creative Team

• Creator & Director: Kang Dae-gyu
• Network: KBS2
• Production Studios: Contents G, Big Punch Pictures, Nova Film
• Country of Origin: South Korea

Genre, Format & Rating

Genre: Sci-Fi & Fantasy, Action & Adventure, Drama

Format: Television Series

User Rating: 7.1/10

Twelve successfully blends three compelling genres—weaving sci-fi worldbuilding with fantasy mythology and character-driven drama. The result is a series that satisfies audiences seeking both spectacle and emotional storytelling.

Where to Watch Online

Streaming availability for Twelve varies by region and platform. To find where you can watch this Korean drama online in your area, check your preferred streaming services or regional broadcasting sites. Since the series has concluded its run, the complete season should be readily available on most major platforms.

Stay tuned to this page for the latest streaming updates and availability information.

This page contains informational content about the show. SignalFeed does not host or distribute any copyrighted material.