Underground
Yeraltı
We checked 8 streaming services in India on 04 Jun 2026 at 07:24 IST
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.
Cast
Deniz Can Aktaş
as Haydar Ali
Uraz Kaygılaroğlu
as Bozkurt
Devrim Özkan
as Ceylan
Sümeyye Aydoğan
as Sultan
Burak Sevinç
as Merdan
Ülkü Hilal Çiftçi
as Melek
Koray Şahinbaş
as Efraim
Hülya Gülşen Irmak
as Gülsüm
Ekin Mert Daymaz
as Ferhat
Emir Benderlioğlu
as Yavuz
Hakan Çelebi
as Paşa
Nilay Erdönmez
as Aslı
Ceren Kaçar
as Yıldız
Sunay Kurtuluş
as Adnan
Mehmet Yılmaz Ak
as Yılmaz
Ekin Aksoy
as Pınar
Muhammed Cangören
as
Sevil Akı Saner
as Azize Habban
Ece Çeşmioğlu
as Hülya
Seasons
Episodes
Season 1
Episode 1
The passionate love between Haydar Ali and Ceylan takes an irreversible turn on an unexpected night, placing Haydar Ali at the heart of both the state’s secret plans and Istanbul’s ruthless underworld. Ceylan, determined to protect the man she loves, pushes beyond her own limits, navigating the thin line between innocence and guilt on a dangerous journey. In this world where betrayal, loyalty, and survival instincts are tested, a single wrong step can have deadly consequences for everyone.
Episode 2
Haydar Ali being forced into the marriage process with Sultan pushes the conflict with Ceylan to a breaking point, as their tense exchange during the ring purchase reveals that their past love is still an unhealed wound. Ceylan threatens to tell everything to Bozo if Haydar Ali goes through with the marriage, bringing their relationship to the edge. Meanwhile, Bozo anticipates a major upcoming operation, moves his money out of the city, and signals that a huge storm is brewing in the underworld. The intel brought by Merdan about the international team called “Shadow” shows that the threat is no longer confined to the family. The episode ends with Haydar Ali standing at a critical crossroads: he must navigate Bozo’s trust tests while entering an almost irreversible conflict with Ceylan, making the underground war inevitable.
Episode 3
While Hamburglu’s proposal is openly discussed within the family, the fact that Bozo is waiting for the “sign that will come from the underworld” gives the sense that the approaching war is only the visible part of something much bigger. On the state front, Aslı cornering Pınar makes the balance even more unstable, while the shadow of the word “betrayal” begins to circulate between Ceylan and Bozo. The unexpected deal that Sultan makes with Haydar Ali and the shocking confrontation experienced during the night ignite the fuse of a rupture that will affect not only two young people, but the fate of two families.
Episode 4
While Bozo is in custody, discussions about leadership within the family intensify. Merdan puts his own plan into action, and Haydar Ali decides to take control once and for all. The secret message sent by Bozo, citing four names linked to the betrayal, completely changes the balance of power. At the same time, a shadowy business network with connections in Malta emerges. On the police side, covert maneuvers conducted through lawyers make the confrontation in the underworld even more complex. The major turning point occurs when Ceylan, alongside Gülsüm, goes to Azize's house and openly declares war: "Since you started this war, you will face the consequences." Amidst love, loyalty, and the struggle for power, Haydar Ali embarks on a path of no return, trying to keep the family together while seeking to discover who the true enemy is.
Episode 5
The fact that Bozo throws himself in front of the bullet for Haydar Ali turns everything upside down in Yeraltı. The bullet may have missed its target, but the score has not been settled. Caner is captured, Zafer is summoned, and a single question hangs before everyone: Will this end here, or is the real war just beginning now? Bozo’s decision seems to contain the bloodshed, but some are ready to interpret this calm as weakness. While Haydar Ali finds himself torn between debt and conscience before the man who risked his own life for him, Ceylan tries to uncover the real reason behind her husband’s sacrifice. Sultan faces her own past one last time and closes certain doors once and for all. On Paşa’s side, a crisis on the verge of exploding and an even bigger plan being set in motion behind the scenes.
Episode 6
The bullet that hits Pasha in the chest targets not just one body, but the entire family. While hope and fear intertwine in the hospital corridors, Bozo's cold and harsh demeanor shocks everyone. As Ceylan tries to keep the family together, Sultan's digging into Haydar Ali's past in the hospital corridors brings the "ex-lover" issue back to the forefront, igniting a hidden tension. As questions grow about whose orders Pasha followed that night, the fire of revenge spreads rapidly through the neighborhood. Haydar Ali, believing Pasha didn't act alone, decides to uncover the truth. Gunfire in a house in Tuzla changes the course of events. The actions of Ferhat Bozo's impulsive cousin, Derman, instead of covering up the truth, open the door to a bigger confrontation. Yavuz catching them red-handed brings the reckoning directly to Bozo. This time, the war is growing not just in the streets, but in people's hearts. And Bozo's decision will reveal who the real enemy is.
Episode 7
The decisions Bozo has made reestablish the balances in the Underground, while a fragile order forms within the family. As everyone tries to understand where the new boundaries have been drawn, it becomes increasingly clear that some accounts have yet to be settled. Meanwhile, the steps taken on the Azize front are signaling the signs of an approaching major reckoning. However, an even greater danger that no one knows about is quietly growing. A secret that has fallen into Hamburglu’s hands holds the power to expose everything about Ceylan and Haydar Ali’s past. If this truth comes to light, it won’t just destroy one relationship—it will shatter all the established balances. At the same time, an unexpected development from Europe becomes the harbinger of a new storm in the Underground. Now, everyone in the Underground is chasing the same question: Whose message is this unexpected development… and what’s next?
Episode 8
While openly voicing what his weaknesses are, Bozo clearly demonstrates that this is not a weakness, but rather a line that must be protected. The concepts of family and loyalty take on a much more dangerous meaning this time. Meanwhile, the long-unspoken feelings between Sultan and Haydar Ali begin to be openly expressed for the first time. While Sultan now views the past as a regret, she is no longer playing for keeps. Another unexpected surprise comes when Ceylan, chasing after Paşa's happiness, encounters it. Pınar's confession to Ceylan heralds a breaking point not only for Pınar, but one that could also change the future of Paşa and the family. After Azize's move, Bozo responds in kind and clearly shows that the war is now inevitable. He confronts Haydar Ali and Azize. He issues a bold challenge to Azize. The family that tests others will be tested by family. Azize must either give up on Hülya or pay the price with Hülya's life.
Where does Underground rank today?
Underground is #208 on the Bowood.TV Daily Streaming Charts today.
- Highest: #208
- Top 10: 0 days
- Top 100: 0 days
Watch Underground Online Free — All Episodes in HD
If you've been searching for Underground all episodes in HD, Bowood.TV has you covered. This well-rated Turkish drama and action & adventure title from 2026 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About Underground
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. Across 1 season and 18 episodes, originally airing on FOX, with status "Returning Series".
Underground Cast and Characters
The cast features Deniz Can Aktaş (as Haydar Ali), Uraz Kaygılaroğlu (as Bozkurt), Devrim Özkan (as Ceylan), Sümeyye Aydoğan (as Sultan), and Burak Sevinç (as Merdan). Their performances are a major reason Underground has built such a passionate audience.
Where to Watch Underground Online
Want to watch Underground online without paying? Bowood.TV is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch Underground NowWhy People Are Watching Underground
There's a reason Underground keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts and action sequences that don't feel cheap. If you enjoy Turkish storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Underground
Where can I watch Underground online for free?
You can watch Underground online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Underground have?
Underground has 18 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Underground good? What's the rating?
Underground holds a 7.7/10 rating based on 6 reviews — well above average.
Who is in the cast of Underground?
The main cast includes Deniz Can Aktaş, Uraz Kaygılaroğlu, Devrim Özkan, and Sümeyye Aydoğan, plus a strong supporting ensemble.
Is Underground available in Turkish?
Yes — Underground was originally produced in Turkish and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Underground released?
Underground first aired in 2026.
Do I need an account to watch Underground on Bowood.TV?
No. Bowood.TV is free and you can watch Underground without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Frequently Asked Questions
Where can I watch Underground for free?
You can watch Underground online for free on Bowood.TV. All 18 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Underground have?
Underground currently has 1 season and a total of 18 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Underground 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… It belongs to the Drama, Action & Adventure genres.
In which language is Underground originally available?
Underground was originally produced in TR. On Bowood.TV the show is available in its original TR audio. Check the player options on the watch page for available subtitle tracks.
When was Underground first released?
Underground first premiered on January 28, 2026 (2026). The show is still ongoing with new episodes being released.
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