Dallas S02E06 - Double Wedding

Ed Haynes shows up in Dallas, causing conflict in Bobby and Pam's marriage. Pam was married to Ed, something she failed to tell Bobby. J.R of course uses the opportunity to stick it, again, to Pam. Ed was in the Vietnam war when Pam got the divorce, and claimed he never got the divorce papers, and claims that he and Pam are still married.