Underground(2026)
Underground Synopsis
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 (2026) is a drama and action & adventure series that premiered on January 28, 2026, spanning 2 seasons and 17 episodes. It stars Deniz Can Aktaş, Uraz Kaygılaroğlu, Devrim Özkan and Sümeyye Aydoğan. Viewers rate it 8.2 out of 10 across 12 ratings.
- First aired:
- 2026-01-28
- Last aired:
- 2026-05-20
Underground (2026) Trailer
Watch the official trailer for Underground before you start streaming.
Underground Cast & Crew
Main 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
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Underground Reviews & Ratings
Average viewer score of 8.2/10 from 12 ratings.
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Underground – Frequently Asked Questions
Where can I stream Underground?
+
Underground (2026) is available to stream on Disney Plus. Availability comes from JustWatch data and varies by country.
How many seasons of Underground are there?
+
Underground has 2 seasons and 17 episodes in total, starting from its premiere on January 28, 2026.
Is Underground still running?
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Underground is currently listed as returning series, with the most recent episode airing on May 20, 2026.
Who is in the cast of Underground?
+
Underground (2026) stars Deniz Can Aktaş, Uraz Kaygılaroğlu, Devrim Özkan, Sümeyye Aydoğan and Burak Sevinç. The full cast list with character names is available in the cast section of this page.
Is Underground any good?
+
Underground (2026) is rated 8.2 out of 10 from 12 viewer votes, and suits viewers who like drama and action & adventure series. Reviews from viewers are collected further down this page.
Where can I watch the Underground trailer?
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The official Underground trailer is embedded in the trailer section of this page and plays instantly in your browser.