Grey’s Anatomy (season 4)

Grey's Anatomy Season 4 follows the doctors at Seattle Grace Hospital as they transition into new roles and face fresh personal and professional challenges. Meredith, Cristina, Izzie, and Alex become surgical residents, while George must repeat his intern year after failing his exam, creating tension within the group. The arrival of Lexie Grey, Meredith's half-sister, adds new family drama and complications to Meredith's life. Romantic relationships remain central: Meredith and Derek struggle with commitment issues, leading to an on-and-off dynamic. Cristina copes with the aftermath of her failed wedding, while Callie and George's marriage unravels after his affair with Izzie is revealed. Meanwhile, Bailey deals with professional frustrations as Callie is promoted to Chief Resident over her.