Conversation so far:
who shot jr in the 1980 dallas cliffhanger
Kristin Shepard shot Jr in the 1980 Dallas cliffhanger.
what was the motive of Kristin Shepard shooting JR
Kristin was J.R.'s scheming sister-in-law and mistress, who shot him in a fit of anger.
what happened after Kristin Shepard shot JR
J.R. did not press charges, as Kristin claimed she was pregnant with his child as a result of their affair.

Question: What was the episode
Self-contained rewrite: what was the episode in which Kirstin Shepard shot jr