Pam believes that she has finally located her mother. Meanwhile, Mitch agrees to marry Lucy and J.R. hatches his plan to regain power of Ewing Oil.

As J.R. continues to deal in Asia, the Ewing family split over what is being done. Meanwhile, Lucy's inflated ego over her pageant win creates tension and Sue Ellen continues her affair with Clint Ogden.

With their marriage on the rocks, Jock threatens to sell Ewing Oil if Ellie divorces him. Meanwhile, Clint tries to convince Sue Ellen to leave J.R.; Lucy's ego continues to threaten her marriage; and Pam becomes suspicious of Cliff.

The body found in the pool on Southfork is finally identified, which prompts J.R. and Cliff to accuse each other of the murder.

Cliff and J.R. continue to clash -- J.R. hatches a plot to get John Ross back, but Cliff decides to leave Dallas. Meanwhile, Lucy tries to repair her marriage.

With the help of Miss Ellie, J.R. is able to see John Ross while he is at Clayton Farlow's ranch. Meanwhile, Ray goes into business.

J.R. gets ready for a custody battle while Bobby begins the search for a child to adopt. Meanwhile, Cliff meets Katherine, his half-sister.

J.R. confronts the Farlows about John Ross. Meanwhile, Pam is sent to the hospital following a breakdown.

J.R. tries to seek revenge on the Farlow's by drying up their oil supply. Meanwhile, Bobby is able to buy information about Kristin's baby.

J.R.'s plot to dry up the Farlows' oil backfires. Meanwhile, Pam continues to withdraw from the family.

Cliff confronts J.R. about the note he is holding for the Ewings and threatens foreclosure. Meanwhile, Bobby uncovers a link between Kristin and J.R.

Miss Ellie turns on J.R. as J.R. tries to get Sue Ellen declared an unfit mother. Meanwhile, Ray pulls out of his development deal.

Miss Ellie puts together a homecoming barbecue when she learns that Jock is coming home from South Africa. However, the plans are put on hold when the family receives a devistating phone call.

As J.R. makes his return to Ewing Oil, Ray faces conflict with Bobby and Donna. Meanwhile, Lucy is stalked by her photographer friend.

J.R. wants Ray's Ewing Oil voting shares and to ruin Sue Ellen and Cliff's friendship. Bobby manages to make some inroads into adopting Christopher. Donna begins to work on her next book. After seeing Mitch with somebody else, Lucy ends up with another man.

J.R. arranges a job opportunity so that Cliff will be out of Dallas. He then attempts to reunite with Sue Ellen. Donna finds Ray with another woman. Bobby buys a business for Pam to run. Evelyn informs Lucy that she wants to be with Mitch.

Bobby wants Sue Ellen's approval to allow him to adopt Christopher. J.R. attempts to get Ray's voting shares once and for all. Roger's obsession with Lucy gets out of control. Cliff learns about J.R.'s plan to get him out of Dallas.

Katherine need help from J.R. after Cliff is given power at Wentworth Tool and Die. Donna discovers a dreadful secret from the Ewing and Culver family pasts. J.R. manages to get his hands on Christopher's birth records.

Cliff ends up falling for the fake land deal. J.R.'s belief that's he's Christopher's father ends up leading to a blackmail plot. Lucy's request for a different photographer annoys Roger.

Cliff attempts to get money from Sue Ellen. Bobby and Pam attempt to find Lucy. Bobby receives a visit from Farraday's associates.

Miss Ellie decides to accept that Jock is dead and comes to a decision on Donna's book. Bobby tries to help the police set up a sting to catch Farraday's killers. Cliff ends up being fired for embezzlement by his mother; J.R. attempts to win back Sue Ellen.

Cliff is really upset by Sue Ellen's return to J.R.. Bobby ends up revealing the truth about Christopher's parentage to Pam. Clayton returns to town. Lucy ends up admitting a terrible secret.

J.R. looses his position as Ewing Oil president and discovers that he's not Christopher's father. A comatose Cliff fights for his life. Lucy awaits to find out if she is pregnant. Holly Harwood meets Bobby and ends up making J.R. an interesting offer.

J.R. attempts to get an early look at Jock's will. Lucy reveals the truth to Pam. Sue Ellen thinks about if she really wants to marry J.R. Marilee Stone offers Cliff a job. Ray learns about Amos Krebbs' health problems.

J.R. wants to have Jock's will executed and has the IRS pay a visit to Bobby. Lucy deals with her pregnancy. Miss Ellie decides to go to the Oil Barons Ball. Ray is told about Amos' death.

J.R. is still running Harwood Oil and hopes that the Jock Ewing Scholarship will lead to him being declared officially dead. Dusty wants to know if he and Sue Ellen could have a future togther. Ray and Donna go to Amos' funeral.

Jock's will ends up revealing the future fate of Ewing Oil. Ray asks Mickey to come stay at Southfork. Pam thinks that Lucy needs to get back to work. J.R. and Sue Ellen decide the date to get remarried.

J.R. and Bobby start the contest to try and gain control of Ewing Oil. A plot to gain revenge sees Rebecca buying an oil company.

Cliff takes over Barnes-Wentworth leaving Pam feeling more torn than ever between the Barnes and Ewing families. J.R. goes to great lengths to gain a drilling variance. Lucy goes ahead with her divorce. Ray is not happy with Mickey's behavior.

J.R. manages to get a drilling variance and competes with Bobby. Christopher's adoption is finally finalized. Cliff feels Pam should help his company. Mickey continues to infuriate Ray.

Afton and Sue Ellen attempt to help their men gain a lucrative refinery contract. J.R. isn't happy about aeeing Miss Ellie socializing with men. Pam attempts to convince Bobby to end the contest for Ewing Oil.

It is the day of J.R. and Sue Ellen's wedding. Ray doesn't want Mickey becoming involved with Lucy. The Cartel wants J.R. to stop over-producing crude oil. Donna comes a decision about serving on the Texas Energy Commission.

Cliff fights with J.R. - Donna is concerned that being on the TEC will cause more family problems. Bobby believes that J.R. is involved in illegal oil sales.

J.R is confronted by Cliff and the Cartel at the annual Ewing barbecue. Miss Ellie decides that she needs to take action against the effects Jock's will is having on the family.

Bobby and J.R. are not happy about Miss Ellie's decision to contest Jock's will. Afton attempts to get a commiment out of Cliff/ J.R.'s cheap gasoline ends up making the headlines.

Miss Ellie feels conflicted about contesting Jock's will. Pam meets Mark Graison. Donna thinks about leaving the TEC. Holly wants to end her partnership with J.R.

The battle over Jock's will ends up in court. J.R. wants to use Mark Graison to cause problems between Pam and Bobby.

Cliff wants J.R. to run for office and be out of the oil business. Mark maintains an interest in Pam. Miss Ellie take a holiday in Galveston. Bobby thinks that J.R. has the TEC in his back pocket.

Bobby attempts to blackmail Hicks into stopping J.R. J.R. is concerned that Clayton will undermine his standing with Miss Ellie. Mickey and Lucy start to grow closer.

Rebecca fights for her life following the plane crash as Cliff and Pam pray for her recovery. The TEC have a rethink concerning J.R.'s drilling variance