Underground

Where to Watch Underground (2026) Online Free

Stream Underground (2026) online free in HD on MyFlixer. This watch page gives you 8 streaming servers for the mystery movie, fast loading, subtitles where the source provides them, and no registration wall between you and the film.

The film was directed by Choi Woo-sik and features performances from Shin Hyun-soo, Lee Yu-ji, Ko Gun-han and Park Hyun-young. It runs 1h 32m and holds a 3.5/10 average rating on TMDB from 2 votes. The mystery and horror movie was released on August 13, 2026 by Korea Creative Content Agency (South Korea), originally in Korean.

What is Underground about? Seung-hyeon, a construction team leader with PTSD, is ordered to inspect Dohak Station, where a fatal accident halted work years ago. Inside the eerie, abandoned tunnels, he and Joo-young encounter two mysterious workers and become lost while trying to escape. Meanwhile, a CEO and a shaman perform a ritual to resume construction, but enraged spirits retaliate, plunging everyone into chaos.

Streams are provided by third-party hosts and play in any modern browser without extra software. Once the credits roll, browse the related titles below: Ghost Mansion, The Ghost Station and Night Watch share the same mystery spirit and are available in HD on MyFlixer.

Underground Streaming FAQ

Can I watch Underground for free on MyFlixer?

Yes. Underground streams completely free on MyFlixer (also known as MyFlixerz). There is no subscription, no credit card and no account required.

Is Underground available in HD?

Yes. The servers offer Underground in HD quality (720p or 1080p depending on the source) and playback adapts to your connection speed.

How long is Underground?

Underground has a runtime of 1h 32m, so set aside a little more than that for the full movie.

What should I do if Underground will not play?

Switch to another server using the buttons above the player. Most playback problems are solved by choosing a different server or refreshing the page.