Dallas - Season 13 (1989)

Seeking revenge, Tommy McKay plants an explosive device in the unsuspecting Bobby's briefcase. At her sister April's expense, Michelle connives her way into Cliff's heart.

Carter McKay and his son Tommy have a fatal confrontation and gold digging Michelle decides to play the "Cliff vs J.R." game.

Despite his arrogant attitude, new Dallas resident James Richard Beaumont creates quite an impression on J.R. and other members of the Ewing clan.

Vanessa Beaumont travels to Dallas to retrieve her son James, who is deciding on whether or not to make Southfork his home. James, in an effort to immerse himself into the family, enjoys a day out in the fields with Bobby.

In an emotional and volatile family gathering at the Oil Baron's club, J.R.'s delight at discovering that James is his son is short-lived when he and Bobby are faced with an even bigger bombshell.

In the aftermath of the oil tanker collision, Ewing Oil finds itself under fire from the press, environmental groups, and Cliff Barnes' investigative committee.

Cally's rosy world is shattered when she spies J.R. with a familiar other woman. Distraught over J.R.'s apparent infidelity, Cally runs to Alex for comfort.

Cally unleashes the wrath of J.R. after she angrily confronts both him and Michelle about their supposed liaison.

April and Bobby's relationship ices over as his reunion with Kay heats up. Cally agrees with J.R. that they should put the past behind them -- unaware of what J.R. has in store for Alex Barton.

An overly honorable James ends up the victim after he puts himself in the middle of a personal collision between Cally and the philandering J.R.

As the investigative committee convenes, the fate of Ewing Oil rests with a troubled, but ambitious Cliff Barnes. Sensing the demise of the Ewings, Carter McKay swoops in for the kill and offers to buy the beleaguered company.

Frustrated at just being the "man of the hour", Cliff is ripe pickings for high powered public relations expert Stephanie Rogers.

A mesmerized Bobby chases after the phantom woman that could be his beloved wife Pam. J.R. resorts to a bizarre technique to enlist the aid of legendary oil wildcatter Blackie Callahan in his quest for crude in Pride, Texas.

Bobby finds himself becoming obsessed with Pam's lookalike Jeanne O'Brien. April laments her break-up with Bobby while J.R. and Blackie receive the shock of their lives.

Father and son come to blows when J.R. humiliates James by interceding on his behalf in a business deal.

Cliff Barnes' star continues to rise in the political world -- further raising the ire of J.R. Ewing. Immersed in crushing Cliff, J.R. attempts to woo the woman behind the man -- Stephanie Rogers.

J.R. devises an ingenious plan to rid himself of Cally. Cliff warns Stephanie to steer clear of the dangerous J.R. Ewing, unaware that she is intrigued and challenged by him.

J.R. is forced to resort to desperate measures when Cally vows to make their marriage work. Clayton and Ellie discover another murder -- and the leading suspect is someone they know very well.

Cally and James pull closer together in an effort to fend of J.R.'s evil ways. Michelle vows to strike back at the person responsible for foiling her and April's plan for a single's club -- unaware that the culprit is a formidable force.

J.R. is at his worst as he looks to destroy his wife, tear down Cliff Barnes' career, manipulate his son's future, and protect his mother Ellie.

Cally and James are driven to vow revenge against the man that they both vehemently hate: J.R. Ewing. Aware that it was his sister Jessica who was trying to murder him, Clayton is further floored when she reveals shocking news about Dusty.

Another high-spirited and unpredictable Southfork wedding plays host to April and Bobby. Cally and James begin their plan of deception to destroy J.R. and Clayton decides to petition the court to assume custody of Jessica's WestStar stock.

J.R., after having secretly committed himself to an insane asylum in an effort to coerce Jessica into signing over to him her shares of WestStar stock, discovers the path to her is littered with bizarre and dangerous patients.

J.R., sequestered in the insane asylum, overcomes having to fit in with the inmates and bedding down a notorious "Black Widow" to successfully coerce Jessica into signing over her Weststar shares to him.