User blog comment:Draevan13/Season 5 finale: no title or synopsis?/@comment-1679409-20150527145154/@comment-1600847-20150527145736

Usually episode 9 is the climax of the season.

Season 1 had Ned getting beheaded, 2 had the Blackwater, 3 had the Red Wedding, but season 4's climax was episode 10 with the Stannis Inquisition and Tyrion's double kill.