Dallas S12E25 - Mission to Moscow

In Vienna, Cally questions J.R. about Vanessa and she warns him that she'll never share him with another woman. J.R. and Bobby go to Moscow where they are told that Brundin and his cartel are frontmen for OPEC. Back in Dallas, Lucy, Christopher, Sue Ellen and Miss Ellie try to help Clayton cope with his memory problem. Cliff admires Afton's singing and he wants to make a commitment to her. Sue Ellen finds it painful to relive her life while making her movie. Cliff things that he is Pamela Rebecca's father. Cliff learns that Afton left Dallas. Don Lockwood gets an offer for a movie overseas. In Vienna, Cally meets Vanessa who says goodbye to J.R. Bobby, J.R, Cally and April leave Europe for Dallas.