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 4) Fenneman as associate producer. Arthur Bernard Lewis continues as executive story editor, with Camille Marchetta, Rena Down, and Robert J. Shaw serving as story editors. "Dallas" season four was released by Warner Bros. Home Video, on a Region 1 DVD box set of four double-sided DVDs, on January 24, 2006. In addition to the 23 episodes, it also includes the cast reunion special "" which originally aired on CBS on November 7, 2004. The "Dallas" cast continued to make occasional appearance in spinoff series "Knots Landing", which was on its second year: J.R. (Larry Hagman) appeared in "A Family Matter"