

About
The life of Osman Bey, the son of Ertuğrul and the founder of the Ottoman Empire, as he established and controlled it, facing internal and external struggles against Byzantium and the Mongol Ilkhanate.
Cast
Seasons

Season 1
Osman, nephew of Dündar Bey, navigates a treacherous path as he confronts the machinations of Selçuk Sançak Bey Alişar and the ruthless Sofia of Kulucahisar, who plots against the Kayı tribe, while also battling external threats from the Mongols, culminating in the conquest of Kulucahisar and Osman's marriage to Bala.

Season 2
Osman faces new challenges as he becomes the Sardar after his father's death, marries Malhun Hatun, and battles the Byzantines and Mongol Governor Geyhatu, ultimately leading to the Battle of Domaniç and the execution of his treacherous uncle Dündar.

Season 3
Osman Bey faces challenges from the Byzantine Emperor, a Mongol Governor, and a treacherous uncle, while also navigating alliances, betrayals, and the death of his father, ultimately leading to the Battle of Domaniç and the death of Togay.

Season 4
Osman faces Byzantine plots, including Kantakuzenos's assassination attempt and the framing of Öktem Bey and his daughter Alcicek, which Osman ultimately foils, while Alcicek and Aktemur fall in love.

Season 5
Osman Bey continues his quest for Bursa, faces challenges from Yakup Bey who declares himself Sultan, and navigates conflicts with the Ilkhanate and Byzantine forces, including the kidnapping of princess Maria.

Season 6
Sofia, who was thought dead, returns and joins forces with Commander Lucas, raising Halime, Osman and Bala's daughter, as her niece and training her against her parents, while the Kayi tribe faces threats from the Mongols and internal tensions.
Episodes
Season 1

Establishment of Osman
Osman began his journey by forming a friendship with Yorgopolos and the Kayi tribe expanded its influence further during the reign of Osman Ghazi, but some problems will hinder Osman and he must solve it.

Time for Establishment
The appearance of Adbali and his daughter, Bamsi bid farewell to his son Ibars, while sedition began to appear in the horizon between the Kayi tribe and the castle after the killing of Yorgopolos and Sofia accused Osman of killing him.

The Fire of Establishment
Seeing Helen and Sofia running down the aisle, Kalanoz went after her, suspecting her murder partner, Sofia, of getting involved in other things. Osman captured Teokles and the front of Theebali was blocked by Akca Dervis, Pehlivan and Zulfikar Dervis. After the trio, Bala Hatun took Osman to Edebali. I wonder what Edebali will tell Osman. What kind of plan will Dundar and Batur plan to plan for Dundar, whose daughter was kidnapped, and Zohre, who saw Osman as responsible for these events? What's the big surprise waiting for Kalanoz, who's going after Sofia and Helen.

The Meaning of Homeland
Bala Hatun is kidnapped. Osman is imprisoned in a tent with his hands chained. Learning about Bala Hatun's abduction and outraged Osman's actions surprise everyone.

The Establishment Epic
Yannis succeeded in realizing his bloody plan, raiding the market by the lake and kidnapping Edebali's daughter.

This is our Home
Osman took Bala Hatun's healing from Yannis and exposed Yannis.

Time for Establishment: Osman
Batur, Dündar's son, rescues Osman for a reputation in the tribe after one of Salvador's men is tricked. Edebali declines Osman's proposal leaving him devastated and upset.

The Turks' Purpose
Sofia tasks her lover, Kalanoz, to kill Şeyh Edebali but is killed in this attempt by Osman. Bamsı, Osman's loyal companion, converts Salvador to Islam. Salvador's new name is Sıddık.
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