Karen MacKenzie record for an actress on American primetime television. Karen's storylines focus on family troubles, addiction and kidnapping. In her early years on the serial, the character had much more of an "edge" in order to test the audience on who would be the most like J. R. Ewing (Larry Hagman), the primary character of its parent series "Dallas". (The bad girl role would later be taken on by Abby Cunningham, Karen's sister-in-law.) Over time, she became much more of a wholesome character. Series creator David Jacobs said "Karen is the tent pole. She says the things I want to say.
Dallas (1978 TV series) (season 6) who joined the series for season four, takes on the duty of the show's story editor. Season six was released by Warner Bros. Home Video, on a Region 1 DVD box set of five double-sided DVDs, on January 30, 2007. In addition to the 28 episodes, it also includes the featurette "Power and Influence: The Dallas Legacy". After a one year-absence, the "Dallas" cast returned to appear in spinoff series "Knots Landing", now on its fourth year: first J.R. (Larry Hagman) appeared alone in "Daniel" (airing October 7, 1982), and then he returned alongside Bobby (Patrick Duffy) and baby Christopher