George O'Malley dies in the first episode of Season 6 of Grey's Anatomy , titled "Good Mourning." The episode aired on September 24, 2009. George's death occurs after he is hit by a bus while saving a woman’s life, resulting in severe injuries and brain swelling that lead to his being declared brain dead
. The episode deals with the aftermath of his death, including the doctors at Seattle Grace Hospital coping with the loss and the decision about organ donation. George's death is a significant and emotional event for the characters, marking the final appearance of actor T.R. Knight as George O'Malley on the show
. In summary:
- Episode: Season 6, Episode 1 ("Good Mourning")
- Cause of death: Injuries from being hit by a bus while saving someone
- Air date: September 24, 2009
- Significance: Marks the exit of T.R. Knight from the series