Watch Underground for Free in 123Movies
Underground (2026) – Official Series Trailer, Cast & Seasons
Underground at a Glance
Underground is a 2026 drama and action & adventure TV series from creator Berna Aruz, with a cast led by Deniz Can Aktaş, Uraz Kaygılaroğlu and Devrim Özkan. It premiered on January 28, 2026 on FOX and has 2 seasons and 17 episodes. TMDB lists it as a returning series, with the next episode scheduled for October 7, 2026, and it holds an average TMDB user score of 8.2/10 from 12 votes.
Watch the official Underground trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (2)
Season 1
16 Episodes • 2026
Season 2
1 Episodes • 2026
Where “Underground” Fits in the 123Movies Catalog
Frequently Asked Questions About Underground
When did Underground premiere?
Underground premiered on January 28, 2026 on FOX.
How many seasons does Underground have?
Underground has 2 seasons with 17 episodes in total, according to TMDB.
When is the next episode of Underground?
According to TMDB, season 2, episode 1 of Underground is scheduled to air on October 7, 2026.
Who is in the cast of Underground?
Underground stars Deniz Can Aktaş as Haydar Ali, Uraz Kaygılaroğlu as Bozkurt, Devrim Özkan as Ceylan and Sümeyye Aydoğan as Sultan. The cast also includes Burak Sevinç and Ülkü Hilal Çiftçi.
Who created Underground?
Underground was created by Berna Aruz.
What network is Underground on?
Underground airs on FOX, MBC Shahid and NOW.
What kind of show is Underground?
Underground is listed on TMDB as a mix of drama and action & adventure.
What is the TMDB score of Underground?
On TMDB it has an average user score of 8.2/10 from 12 votes.
Where can I watch the Underground trailer?
You can watch the trailer for Underground, "Yeraltı 1. Teaser | Yakında!", for free on this 123Movies page. It is embedded from YouTube.
What should I watch if I liked Underground?
Series TMDB recommends alongside Underground include Poyraz Karayel (2015), The Fugitive (2020), The Assassin (2025), The Day of the Jackal (2024) and El final del paraíso (2019).
Can I watch full episodes of Underground on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
Poyraz Karayel
The Fugitive
The Assassin
The Day of the Jackal
El final del paraíso
The Sweeney
Insider
War of the Worlds
Sıfır Bir
The New Avengers
The Family
