Underground (2026): cast, story & where to watch
2026 · Series · ★ 8.1
Released in 2026, Underground is a drama and action & adventure series.
What it’s about. Haydar Ali avenges his family's murder and ends up in prison, where he falls into the orbit of Turkey's most dangerous crime cartel. Recruited by intelligence to dismantle it from within, he must earn the trust of its ruthless boss — a man who becomes his closest ally. Three years later, freedom brings the deadliest complication yet: the woman he never stopped loving is now that same man's wife.
Who’s in it. Underground stars Deniz Can Aktaş as Haydar Ali, Uraz Kaygılaroğlu as Bozkurt, Devrim Özkan as Ceylan and Sümeyye Aydoğan as Sultan, among others.
How it landed. With an audience score of 8.1/10, Underground sits among the best-reviewed titles in the catalogue.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Underground page.
If you liked it. Fans of Underground tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch Underground (2026)?
- Streaming, rental and purchase options for Underground change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Underground worth watching?
- Underground holds an audience score of 8.1 out of 10, and is a strong pick if you enjoy drama and action & adventure. Most viewers rate it highly.
- Who stars in Underground?
- Underground stars Deniz Can Aktaş, Uraz Kaygılaroğlu, Devrim Özkan, Sümeyye Aydoğan and Burak Sevinç.
- When was Underground released?
- Underground was released in 2026.