One of the most gripping espionage thriller series available on global Over-The-Top platforms is Tehran. The series depicts the high stakes involved in undercover operations at the Mossad level via the perilous infiltration of Tehran by a Mossad agent named Tamar Rabinyan. Fans are eagerly anticipating Season 4, which is expected to contain even more intense suspense, geopolitical intrigue, moral dilemmas, and adrenaline-charged twists surrounding the Israel and Iran conflict, as a result of the dramatic revelation and emotional roller coaster of Season 3 in 2026.
Tehran – Season 4 Renewal & Latest Updates
The Israeli espionage thriller Tehranstreaming globally on Apple TV+, has officially been renewed for Season 4.
Apple confirmed the renewal in December 2025alongside announcing the Season 3 premiere date. Season 3 debuted on Apple TV+ on January 9, 2026after originally airing in Israel on Kan 11 in late 2024/early 2025.
Renewal Status
- Renewed: Officially confirmed
- Production: Underway (filming reportedly in Greece as of early 2026)
- Cancellation Risk: None reported
However, production has faced a significant loss. The show’s co-creator and producer, Dana Eden, tragically passed away in February 2026 in Athens. While this may affect timelines, there has been no indication of cancellation or creative shutdown.
Tehran – Season 4 Expected Release Date
There is no official release date yet for Season 4.
A realistic estimate would place Season 4’s release in late 2026 or sometime in 2027.
Previous seasons experienced delays due to real-world geopolitical developments that required script rewrites, so scheduling flexibility is possible again.
Tehran – Season 4 Expected Cast
While full casting confirmations haven’t been released, several core actors are expected to return:
- Niv Sultan as Tamar Rabinyan (lead Mossad agent)
- Shaun Toub
- Shervin Alenabi
- Menashe Noy
- Liraz Charhi
Season 3 introduced major additions, including:
- Hugh Laurie as Eric Peterson, a South African nuclear inspector
- Sasson Gabai
- Spring Garden
- Phoenix Ray
It has not yet been officially confirmed which of the Season 3 additions will return, but continuity suggests several key characters may carry forward.
Tehran – Season 4 Potential Plot
In Season 3, Tamar’s story arc continued from Season 2. The storyline focused on Tamar’s struggle to survive on her own and her attempts at restoring trust with Mossad. There were also increasing regional tensions, as well as nuclear threats. Season 4 should continue the story of Tamar and will have high-stakes espionage operations, intelligence missions, Israel and Iran geopolitical dynamics, and moral as well as psychological conflicts in the intelligence community.
Throughout the series, there has always been a mixture of fictional storylines with real-world political tensions, and sometimes, the need to rewrite the storyline due to an event that occurred in the real world that mirrored the storyline that was supposed to have been told.
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