Underground (2026)
Underground is a Turkish drama, action series broadcast on FOX, MBC Shahid, NOW, first aired in 2026. After witnessing his family’s murder as a child, Haydar Ali kills the murderer years later and goes to prison. The bond he forms with Bozkurt Hanoğlu draws him into a dangerous underworld where his former love Ceylan is now Bozkurt’s wife and a state-linked mission awaits him.
Underground cast: Deniz Can Aktaş (Haydar Ali), Uraz Kaygılaroğlu (Bozkurt), Devrim Özkan (Ceylan), Sümeyye Aydoğan (Sultan), Burak Sevinç (Merdan), Ülkü Hilal Çiftçi (Melek).
Detailed content was compiled from sources with AI; pending editorial review. Editor: Uğur Arı.
Plot
As a child, Haydar Ali witnesses the murder of his family. Years later, he kills the murderer in a restaurant, but the involvement of Ceylan, the woman he once loved, pushes them onto an irreversible path. In prison, Haydar Ali meets Bozkurt Hanoğlu, known as Bozo, the nephew of the man he killed and a feared mafia leader. Under Bozkurt’s protection, Haydar Ali learns the prison’s hidden rules, and an unexpected respect and friendship develop between them. After Bozkurt orders his release, Haydar Ali discovers that Ceylan has become Bozkurt’s wife. While caught between love, revenge and loyalty, Haydar Ali is offered a mission by Yılmaz, an intelligence officer, to infiltrate Bozkurt’s cartel.
Origins of the story
Adaptation status
No source work is identified in the official promotional material. Secondary reports describe the series as an original screenplay, but that claim is retained with caution because it was not confirmed by a primary source.
Connection to reality
No reliable direct source found in the reviewed material connects Yeraltı to a specific real event, real person or documented criminal organisation.
Trailer
Details
- Year
- 2026–2026
- Channel
- FOX, MBC Shahid, NOW
- Genre
- drama, action
- Seasons
- 2
- Episodes
- 17
- Rating
- 8.2
Cast
Character Map
Hero
- ↳ Halide Ceylan — partner
- ↳ Bozkurt Hanoğlu — friend
- ↳ Bozkurt Hanoğlu — enemy
- ↳ Yılmaz Doğan — ally
Antagonist
Supporting
- ↳ Bozkurt Hanoğlu — spouse
What's in this series?
Adaptation status: no verified source work found
The official Disney+ and NOW descriptions do not identify Yeraltı as an adaptation of a literary or screen work. The official promotional channel presents the production with Medyapım, producer Fatih Aksoy, director Murat Öztürk and writer Berna Aruz.
A fictional underworld and state plans
The official synopsis combines Istanbul’s underworld, a mafia cartel and an intelligence mission within a fictional conflict. It does not present these elements as a dramatization of a specific real event or criminal organisation.
Medyapım and the creative team
The official Yeraltı YouTube channel credits Medyapım as the production company, Fatih Aksoy as producer, Murat Öztürk as director and Berna Aruz as writer.
Frequently asked questions
How many episodes is Underground?
Underground has 17 episodes across 2 seasons.
When did Underground air?
Underground first aired in 2026 on FOX, MBC Shahid, NOW.
Who is in the cast of Underground?
The main cast includes Deniz Can Aktaş (Haydar Ali), Uraz Kaygılaroğlu (Bozkurt), Devrim Özkan (Ceylan), Sümeyye Aydoğan (Sultan), Burak Sevinç (Merdan), Ülkü Hilal Çiftçi (Melek).
Sources
- Yeraltı İzleyin — Disney+
- Yeraltı Dizisi Oyuncuları — NOW
- 1. Sezon Haydar Ali ASLAN - Yeraltı — Yeraltı Resmî YouTube Kanalı
- Yeraltı dizisi kurgu mu, gerçek mi? Gerçek hikâyeye mi dayanıyor, senaristi kim? — Yeni Birlik
- Yeraltı - Dizi — TV Yayınları
