Zombie horror has found its next great outbreak and Yeon Sang-ho is once again the man behind the infection. The director who defined the genre with Train to Busan returns nearly a decade later with Colony.

With Yeon Sang-ho's signature outbreak tension back in full force and a story set entirely inside a facility on lockdown, it is hardly surprising that horror fans are already searching for where to watch Colony.

Releasing in theaters on Friday, August 28, 2026, Colony can currently be anticipated exclusively for the big screen, just for now. Fans can buy tickets through major theater chains or Fandango once showtimes go live. Streaming platforms have kept the facility sealed for the time being.

The film is rated R, so this is strictly a solid-adults watch, not something for kids. Younger viewers who tag along could easily walk away traumatized rather than entertained, so it's worth leaving them home for this one.

A digital release date has not been officially announced, a wider streaming arrival on a major platform could follow in the months after, echoing the rollout patterns of Train to Busan and Peninsula. None of this is confirmed yet, so audiences will need to catch the outbreak in theaters first.

Netflix Isn't Done With 'Parasyte' Just Yet as Yeon Sang-ho Returns With a New Series

Once fans discover what Colony is about, the premise alone may raise the pulse, but these details should have you counting down to the outbreak.

Colony centers on a biotech conference that spirals into catastrophe when a fast-mutating virus is released without warning. As infected attendees begin transforming, authorities move fast to seal off the entire facility, trapping a small group of survivors inside with no way to escape and no idea who they can trust.

It's classic contained-outbreak territory, but Yeon Sang-ho's track record suggests the walls will close in faster and harder than expected. We can definitely expect the same relentless pacing and moral pressure-cooker energy that made Train to Busan so effective, this time swapping a speeding train for a facility with locked doors and dwindling options.

'Train to Busan' Returns to Big Screen for 10th Anniversary Celebration

What are your expectations from Colony? Let us know in the comments!