Larry Hagman again with Eden on stage in the play "Love Letters" at the College of Staten Island in New York and the United States Military Academy, West Point, New York. The appearance marked the first time the two performers had acted together since Eden appeared with Hagman in a five-episode arc on "Dallas" in 1990. In 1978, Hagman was offered two roles on two television series that were debuting. One was for "The Waverly Wonders" and the other for "Dallas", in the role of conniving elder son and businessman J.R. Ewing. When Hagman read the "Dallas" script at his wife's suggestion,
Dallas (1978 TV series) "Dallas" from 1985–1987. Hagman later denied any involvement in Rambo's dismissal from "Dallas". Pamela Barnes Ewing was severely burned after driving a car into an oil tanker, which then exploded into flames, in the season 10 finale in 1987. During season 11, Pam disappeared after her half-sister Katherine Wentworth was seen around the hospital, with Pam seemingly leaving Bobby and Christopher due to her unwillingness to let them see her in such a physically disfigured fashion. While Victoria Principal never returned to "Dallas" again after the season 10 finale, Margaret Michaels, a Principal look-alike, played Pam in the opening episode