Kristin returned to "Dallas" at the beginning of the third season (now portrayed by Mary Crosby). J.R. offered Kristin a job working for him at Ewing Oil and a condo for her to live in. Eventually, J.R. and Kristin began a long term affair. Kristin helped J.R. by finding out valuable information from J.R.'s business partners. J.R. failed to come through on the promises he made to Kristin that she would be rewarded for the spying she had done. Kristin became bitter with J.R., feeling he had betrayed her. J.R. had also managed to anger many of his business partners and family members. J.R. was shot by an unknown assailant at the end of "Dallas"'s third season.