A House Divided (Dallas) A House Divided (Dallas) "A House Divided" is the 25th and final episode of the third season (1979–80 season) and 54th overall of the American television series "Dallas". It is the episode known for spawning the eight-month "Who shot J.R.?" hysteria. The episode ended with the mysterious shooting of J.R. Ewing (Larry Hagman) in his office by an assailant that would not be revealed until the following season. The episode served as both an introduction to the now common practice of season-ending cliffhangers and the beginning of an eight-month international media frenzy. The mystery was resolved in the fourth episode
Larry Hagman "Who shot J.R.?", the 1980 cliffhanger season finale in which J.R. is shot by an unknown assailant. The person who pulled the trigger was later revealed to be Kristin Shepard (played by Mary Crosby) in the "Who Done It?" episode which aired on November 21, 1980; Kristin was J.R.'s scheming sister-in-law and mistress, who shot him in a fit of anger. At the beginning of the fourth season later that year, audience and actors were trying to guess "Who shot J.R.?", now one of fictional TV's most famous questions. During the media buildup, Hagman was involved in contract negotiations, delaying