Game of Thrones: Season 5 Episode 4 Photos Are Here!
One of the memorable moments of Game of Thrones Season 4 came when Oberyn Martell fought the Mountain in an effort to avenge his sister's death and (incidentally) save Tyrion Lannister from a death sentence.
Spoiler alert: Oberyn lost. Bad. Like, "Nothing left of his head; holy sh-t that's messed up even by Game of Thrones standards" bad.