 Early on, Bobby's brother, J.R. Ewing (Larry Hagman), accuses Pamela of being a spy for her brother, Cliff Barnes (Ken Kercheval), who is building a case against Ewing Oil, claiming that she passed a very important company file to Cliff.Bobby vigorously defends his wife and the family eventually find out that Pam is innocent.Shortly after the pilot episode, Pam becomes pregnant with Bobby's child.