Season 6

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.

Lilimae tells Joshua she's his mother. Abby plots revenge versus Sumner. Karen tells Gary about her condition.

Sumner tries to repair his relationship with Caulfield. Ben has a new admirer at the station.

Abby learns Val's children could be heirs to the Ewing fortune. Gary's tries to reunite the MacKenzies.

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.

Mack believes Galveston is connected to the Tidal Basin murders. Abby confronts Ackerman about Val's babies.

After Galveston offers Gary a real estate partnership, Abby grows suspicious. Karen's condition worsens.

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.

Sumner finally reveals his connection with Galveston, who is now being implicated in the Tidal Basin murders.

Gary tries to help Val remember who she is. Abby is suspicious of Galveston. Mack readies warrants for murder.

Mack gets confessions in the Tidal Basin murders. Val prepares for her wedding. Galveston has plans for Abby.

Val's memories return, but she still thinks she's married to Gary. Ben discovers some odd cargo in transit.

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.

Sumner wants Abby to talk Gary into pulling out of Empire Valley. Ben asks Val to marry him.

Ruth offers Abby information about Val's babies. Cathy and Joshua clash over renting their own apartment.

Abby helps Ruth try to convince Sumner and Laura to end their relationship. Mack and Karen find Dr. Ackerman.

Val learns the whereabouts of her babies.