Gary and Valene move into their new home with the help of his brother, Bobby Ewing.

When Ewing Oil announces plans to drill offshore, Gary opposes his brother J.R. to save Knots Landing beach.

When Karen's daughter's controversial high school teacher is about to be fired, she comes to his defense.

When Val's mother arrives for a visit, Val must confront unpleasant memories of her childhood.

Lucy comes to live with her parents for the first time, but the reunion is anything but happy.

When a motorcycle gang terrorizes the residents of Knots Landing, Sid's daughter is abducted.

Karen regrets her invitation to Sid's ex-wife when she flirts with Sid. Eric has an interest in Ginger Ward.

Karen learns she is pregnant but has mixed feelings about the news. Eric dates Ginger's 14-year-old sister.

Val gives Gary an ultimatum about his drinking, and Gary leaves. Ginger finds Kenny with Sylvie.

After giving a female hitchhiker a ride, Sid is arrested for rape. Sid's sister Abby comes to Knots Landing.

Sid is arraigned on rape charges, while Gary and Abby run Knots Landing Motors in Sid's absence.

After Gary tries to help Earl stop drinking, Val feels abandoned. Kenny and Ginger spend the night together.

Diana's first sexual experience is a disaster. Richard and Abby have an affair.

Karen and Sid disagree about their son Michael, who has a discipline problem at school.

When Gary has a hard time facing Val's operation for a malignant growth, his brother Bobby Ewing visits.

Ginger's sister Jill is left in a coma after smoking some marijuana Eric brought to a party.

Gary feels responsible for Sid's coma, while Richard promises to help Abby find her kidnapped children.

Sid faces a risky, life-or-death operation. Karen convinces a guilt-ridden Gary to stay in Knots Landing.

Karen remains uncaring and detached in the wake of Sid's death - even with her children. Ginger gives birth.

Karen's ex-boyfriend returns and claims to be Diana's father. Laura receives a generous gift from Scooter.

Diana's rebellious behavior leads to her arrest. Karen meets a young widower.

Karen invites a new boyfriend over for dinner. Ginger pursues a singing career against Kenny's wishes.

Karen considers taking a job in New York. Laura learns she's pregnant with Richard's child and gets depressed.

Val's former boyfriend leaves his troubled 11-year-old stepdaughter with the Ewings and leaves town.

Gary, Abby and Val go to Sacramento to see a state senator. Larry asks Karen to leave with him for a weekend.

A despondent Richard holds Laura and Jason hostage in the Avery home. Ginger returns from San Francisco.

Val encounters Gary and Abby together. Laura becomes worried Richard may attempt suicide and moves back home.

Gary's affair with Abby deeply hurts Val. Karen investigates Sid's death and confronts a U.S. attorney.

Mike Douglas and Zsa Zsa Gabor make special appearances, as Val tapes an interview promoting her book.

Gary goes to Dallas for the reading of Jock's will and is shocked by Abby and Val. Karen and Mack plan a trip.

Gary makes a few investments that infuriate Abby. Karen fears her relationship with Mack is moving too fast.

Diana finds Mack with another woman. Abby secretly convinces a prestigious record producer to listen to Ciji.

Diana is admitted to the hospital with a mysterious disease. Abby makes a deal with a record producer.

After Abby is asked to donate a kidney to Diana, she faces an agonizing moral decision.

Mack hears shocking news from his father. Chip convinces Ciji to sign over 25 percent of her earnings to him.

Gary and Abby prepare to drop Kenny as a partner. Ciji learns she's pregnant, and Val has an affair.

Mack proposes marriage to Karen, who finds her love life complicated by an ex-boyfriend's arrival.

As Karen and Mack approach their wedding day, tensions mount. A tabloid publishes Val's stolen manuscript.

Mack begins life with his new family but must adjust. Gary loses his battle against alcoholism.

Laura believes Richard left because he's the real killer. Karen tells Diana that Chip was sleeping with Ciji.

Gary's trial for the murder of Ciji begins. Karen becomes upset upon discovering Diana left with Chip Roberts.

When Diana discovers Chip's identity, she questions their relationship. Val and Ben suffer a setback.

Chip and Diana are traced to a deserted shack in Oklahoma. Gary hires Laura to work for his company.

Diana and Karen clash over Chip. Val renews her acquaintance with Ben. Abby meets State Senator Sumner.

When Chip won't confess, Lilimae adopts desperate measures. Mack is offered a job on a new crime commission.

Gary and Abby marry, and Val is stunned by the news. Mack begins his new job on the crime commission.

Mack discovers Sumner is having him followed. Karen becomes dependent on pills. Gary and Cathy get closer.

Gary learns Cathy served time for murder. Karen and Diana reconcile. Mack continues his investigation.

Mack tries to get Abby to discuss the Wolfbridge Group, as the organization chases Gary. Ben is found wounded.

Mack is the proposed target of an ambush. Val discovers Gary is alive and ends her engagement with Ben.

Karen has surgery to remove a bullet from her back. Sumner releases Mack's evidence to the District Attorney.

Karen must choose between a risky operation and total paralysis and death. Sumner and St. Claire meet.

Abby corroborates Sumner's story about killing St. Claire, while Karen returns home from the hospital.

Mack is served with divorce papers. Joshua and Cathy consummate their relationship.

After delivery, Val is told her babies are stillborn. Mack and Karen spend the weekend together.

Abby begins to understand the truth about Val's babies. Mack and Karen host Thanksgiving for their friends.

Karen finally tells Mack about her paralysis. Galveston offers Mack help in solving the Tidal Basin murders.

Galveston wants Sumner to take over his empire. The detective finds Val. Karen is admitted to the hospital.

Galveston discovers the plot involving Val's babies and tells Abby he will tell Gary everything.

Galveston lies near death. Joshua and Cathy resume their romance. Val yells at Lilimae for abandoning her.

Ben discovers Galveston Industries was responsible for water contamination. Galveston lies near death.

Galveston dies, as Sumner is urged to help run his father's business.

Sumner calls a press conference to discuss Galveston. Mack and Ben investigate an address in Wespall.

Karen locates a nurse who was on duty the night Val's babies were born. Gary remains suspicious of Sumner.

Abby learns the TV station is just a front. Gary discovers Galveston left Empire Valley to him in his will.

Cathy and Joshua get married. Gary receives an unusual proposition concerning Empire Valley.

Karen confronts Dr. Ackerman. Gary agrees to plans for Empire Valley. Abby seeks the truth about Val's babies.

Val allows Harry and Sheila to say good-bye to the twins. Mack meets with the governor's assistant.

Cathy has worrying bruises on her face. Sumner hires a male secretary, and Mack investigates adoption rings.

Elliott corroborates the phony geological survey to Gary. Cavanaugh's nurse agrees to testify against him.

Val and Ben reveal their engagement. Karen hosts a wedding at Lotus Point. Val insists Joshua leave her home.

Val and Ben get married. Lilimae realizes Joshua is dangerous. Elliott is involved in a terrible accident.

Gary tells Val he knows he's the father of the twins. Ken is indicted for Joshua's murder. Cathy feels guilt.

Gary and Jill go on a date. Cathy confesses the truth about Joshua's death. Laura and Sumner get closer.

Olivia discovers Abby's secret knowledge about the twins and leaves home. Mack ponders Jill's proposition.

Peter tells Sumner they are half-brothers. Val discovers Sonny is a reporter.

Karen can't forgive Mack. Olivia rejects Abby. Sumner makes a proposition to Peter.

Abby hires a private detective to investigate Jill. Gary gives the twins a very generous gift.

Abby confronts Gary about his gift to the twins. Michael gets caught with something that belongs to Olivia.

Michael refuses to tell Karen whose marijuana the police found in his car. Gary crashes his car.

Olivia makes a confession. Jill reveals her past to Mack. Sumner makes an offer to Sylvia.

Abby's secret about the twins is revealed. Sylvia confesses to Abby. Eric grows ill, and Gary surprises Abby.

Gary sees Jill and Peter together at her hotel. Eric's condition improves. Abby makes an offer to Sumner.

The secret about Empire Valley is exposed. Ben and Cathy share a romantic tryst.

Laura and Sumner get married, making her a corporate partner. Abby, Gary and Karen try to fix Empire Valley.

Sumner makes an offer to a senator he can't refuse. A death at Lotus Point is attributed to arsenic poisoning.

Karen closes Lotus Point. Ben agrees to go on tour as Cathy's manager. Gary agrees to sell Empire Valley.

The police search for Karen. Paige makes an announcement. Gary comforts Val.

A kidnapper imprisons Karen. Ben returns to Val, and Sumner confesses to Peter his real plans for Lotus Point.

Gary confronts Sumner about the clean-up at Lotus Point and decides to vie for state senator against Peter.

Phil tells Karen that he wants Mac to feel what it's like not to know where his wife is. Greg decides to really clean up Empire Valley.

The kidnapper tries to kill Karen, but someone intervenes. Gary's affair with Jill is exposed.

Abby and kids move back to the ranch to help out Gary's family image. Gary catches Abby in bed with Peter, but doesn't care.

Lotus Point reopens. Phil has an accident. Peter takes an interest in Sylvia's medication.

Paige and Michael keep a secret, while Mack plots to have his daughter move in with his family.

Gary and Olivia strike a deal. Sumner meets a dangerous person. Abby keeps an important secret from Peter.

Paige dates Peter. Olivia has a crash while on cocaine with Lilimae in the car.

Jean proves to Ben there is no escape. Sumner and Ben meet at Ben's office. A mysterious gunshot is heard.

Abby buries Peter's body, but did she kill him or was it someone else? Ben fails to call Val.

Val and Gary share an evening with the twins. Lilimae dances with Al, and Abby reunites with her past love.

Karen's hosts a reception for Eric and his bride. Val and Gary get romantic. Sumner receives sad news.

Paige is sickened by the surprise she receives upon returning to Knots Landing; Karen realizes that rumors about Mack's behavior may be true; Val wonders whether she's found Mr. Right; Olivia and Harold clash over finances.

Michael blames himself for the marital problems between Linda and Eric, which intensify during a party for Michael; Paige feigns illness to spend the day with Tom; and Paula gets wise to Sumner.

Linda's announcement has a profound impact on the Mackenzie family and raises a barrier between Eric and Michael; Mack and Frank follow a lead in the Oakman Industries scandal; Sumner pursues Paula with a vengeance.

Someone is waging war on the Sumner Group, but Mack's chief concern is Paige's safety; Danny means to end Gary's interference; Eric returns to make amends.

Sumner fights for his life in a hospital bed; Paige gets an unwelcome visit from her mother; Danny reacts violently in an argument over the adoption of the twins, while Tom reacts in anger to Mack's accusations.