Kuruluş: Osman Season 4, Episode 1 (premiered Oct. 5, 2022) initiates a complex narrative focusing on Osman Bey’s battle against Byzantine plots led by Kantakouzenos and the Norse commander Olof. This episode, marking the start of the 99th episode overall, also highlights internal challenges from Ismihan Sultan and new romantic developments involving Aktemur. Watch the premiere with Russian audio on Ivi . Kuruluş Osman: Season 4 (2022) — The Movie Database