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.
Creator: Berna Aruz
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.
Underground is a 2026 drama and action & adventure TV series from Turkey created by Berna Aruz, starring Deniz Can Aktaş, Uraz Kaygılaroğlu and Devrim Özkan. It first aired on January 28, 2026. The series has 2 seasons and 17 episodes on FOX. Audiences rate it 8.2/10 from 12 votes — very well received.
Underground premiered on January 28, 2026.
Underground was created by Berna Aruz.
The main cast includes Deniz Can Aktaş, Uraz Kaygılaroğlu, Devrim Özkan, Sümeyye Aydoğan and Burak Sevinç.
Underground has 2 seasons (17 episodes). Status: Returning Series.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
It holds an audience score of 8.2/10 from 12 ratings, so fans of drama and action & adventure titles are its best audience. Read member reviews below or add your own.
Every episode's audience rating at a glance — find the best (and worst) episodes before you binge.
| E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | E13 | E14 | E15 | E16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | – | – | – | – | – | – | – | 10.0 | – | – | – | – | – | – | – | – |
| S2 | – |
9+ Awesome8+ Great7+ Good6+ Regular<6 Bad
Berna Aruz
Deniz Can Aktaş
Uraz Kaygılaroğlu
Devrim Özkan
Sümeyye Aydoğan
Burak Sevinç
Ülkü Hilal Çiftçi