Derek Shepherd (Patrick Dempsey) — aka McDreamy, aka Meredith's one true love — died in a car accident in season 11. "The decision to have the character die the way he did was not a difficult one in the sense of, what were the options," show creator Shonda Rhimes said in 2015.

Why did Derek leave GREY's anatomy?

Patrick Dempsey's stunning exit from "Grey's Anatomy" in 2015 came after his mood on the set was less than dreamy, according to a new book about the show.

Why did they fire Derek Shepherd?

Patrick Dempsey as Dr Shepherd in 'Grey's Anatomy'. ... Patrick Dempsey was fired from the show because his on screen wife found out about an inappropriate relationship, it has been alleged. The 49-year-old actor left fans of the hit ABC medical drama shocked recently when his character Dr Derek Shepherd was killed off.