Sia Chale 11 (سریال سیاه چاله قسمت یازدهم) is a Iranian Serial produced in 1401 in Iran, directed by Hossein Namazi and produced by Saeed Khani, the new series Black Hole is Namazi’s second directing experience in the field of producing a series. Actors such as Hassan Pourshirazi, Elnaz Habibi, Mehran Ahmadi, Behrang Alavi, Hedayat Hashemi, Abbas Jamshidifar, Shahreh Soltani, Jaleh Samti, Majid Nowrozi and Gholamreza Nikkhah have also played roles in this series. The story of the series all starts with an oil pipeline, in an old house. When the members of the house find out that the main oil pipe passes through the basement of their house, they decide to sell and generate income through oil.