The Art of Dallas: ‘Penultimate’

Ray and Donna (Steve Kanaly, Susan Howard) discuss Mickey’s condition in this 1983 publicity shot from “Penultimate,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Cuba Libre’

Soldiers seize J.R. (Larry Hagman) upon his arrival in Havana in this 1983 publicity shot from “Cuba Libre,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Hell Hath No Fury’

Katherine and Mark (Morgan Brittany, John Beck) are seen in this 1983 publicity shot from “Hell Hath No Fury,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Barbecue Three’

J.R. (Larry Hagman) observes the inaugural meeting of the Texas Energy Commission in this 1982 publicity shot from “Barbecue Three,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Post Nuptial’

Cliff and Sue Ellen (Ken Kercheval, Linda Gray) share an eye-raising dance in this 1982 publicity shot from “Post Nuptial,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘The Wedding’

J.R. and Sue Ellen (Larry Hagman, Linda Gray) prepare to exchange marital vows — again — in this 1982 publicity shot from “The Wedding,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Aftermath’

Holly and J.R. (Lois Chiles, Larry Hagman) are seen aboard her yacht in this 1982 publicity shot from “Aftermath,” a sixth-season “Dallas” episode.

The Art of Knots Landing: ‘New Beginnings’

J.R. (Larry Hagman) asks Valene (Joan Van Ark) to sign his copy of “Capricorn Crude,” her novel inspired by the Ewings, in this 1982 publicity shot from “New Beginnings,” a fourth-season “Knots Landing” episode.

The Art of Dallas: ‘The Big Ball’

J.R. (Larry Hagman) beams at Sue Ellen (Linda Gray) while attending the Oil Baron’s Ball in this 1982 publicity shot from “The Big Ball,” a sixth-season “Dallas” episode.

The Art of Dallas: ‘Billion Dollar Question’

Afton and Cliff (Audrey Landers, Ken Kercheval) discuss his career choices in this 1982 publicity shot from “Billion Dollar Question,” a sixth-season “Dallas” episode.