One Battle After Another (2025) Watch Full Movie Online Streaming Guide & Reviews

One Battle After Another (2025) is the high-octane South Korean action thriller that has taken the global box office by storm, blending brutal martial arts, emotional family drama, and relentless revenge in a gripping 138-minute ride. Directed by acclaimed filmmaker Kim Jee-woon (I Saw the Devil, The Age of Shadows), this film stars Don Lee (Ma Dong-seok) in a powerhouse role as Kang Tae-joon, a retired special forces operative forced back into the fight when his brother's family is targeted by a ruthless syndicate. Co-starring Jung Hae-in, Kim Mu-yeol, and Esom, the movie exploded into theaters on October 17, 2025, grossing over $85 million worldwide and earning praise for its visceral action and heartfelt performances.

Critics hail it as "Don Lee's most intense role yet" (8.2/10 IMDb, 88% Rotten Tomatoes), with stunning fight choreography and themes of brotherhood and redemption hitting hard. As of January 2026, here's your complete legal guide to watching the full movie online — plus reviews and details.

Where to Watch One Battle After Another (2025) Legally Online

Primary Streaming Home: Netflix

• Available worldwide on Netflix (post-theatrical exclusive in most regions).
  • USA/UK/India: Included with subscription.
    • USA Plans: $6.99–$22.99/month.
    • UK: £4.99–£17.99/month.
    • India: ₹149–₹649/month.
  • Quality: Up to 4K HDR with Dolby Atmos.
  • Extras: Subtitles/dubs in multiple languages (English, Hindi, Spanish).

Digital Rental/Purchase

• Amazon Prime Video: Rent $4.99 or buy $14.99 (4K).
• Apple TV/iTunes: Buy $14.99 (4K Dolby Vision).
• Google Play/YouTube: Buy $14.99.
• Vudu/Fandango at Home: Similar pricing.

Theatrical: Limited re-releases in select markets.

Movie Review: A Brutal, Emotional Action Masterpiece

The Plot (Spoiler-Free): Kang Tae-joon (Don Lee) is a retired elite soldier living quietly until his brother's family is kidnapped by a powerful criminal syndicate. To save them, Tae-joon enters an underground fighting tournament where losers vanish forever. As he battles increasingly deadly opponents, he uncovers ties to his military past and a larger conspiracy.

Kim Jee-woon's direction is masterful — grounded yet spectacular fights, emotional depth amid violence. Themes of sacrifice and brotherhood resonate.

Performances: Don Lee is phenomenal — brute force with vulnerability. Supporting cast shines.

Strengths: Visceral action, emotional stakes, technical brilliance.

Weaknesses: Familiar revenge plot; lengthy runtime.

Verdict: 8.5/10. Essential action viewing — stream legally on Netflix.