Tasian Episode 4 (سریال تاسیان قسمت چهارم) is an Iranian historical drama series directed by Tina Pakravan, released in 2025. Set in the late 1970s, it narrates the poignant love story of Shirin, the daughter of a prominent figure during the Pahlavi era, and Amir, whose romance blossoms amidst political interrogations. The term “Tasian” in the Gilaki dialect describes the profound melancholy and longing experienced due to the absence of a loved one. The series features esteemed actors such as Houtan Shakiba, Babak Hamidian, Mahsa Hejazi, Saber Abar, and Nazanin Bayati. With its rich narrative and stellar cast, “Tasian” delves deep into themes of love, loss, and the socio-political upheavals of its time.