The Art of Dallas: ‘Spy in the House’

J.R. and Sue Ellen (Larry Hagman, Linda Gray) have a spat in this 1978 publicity shot from “Spy in the House,” a first-season “Dallas” episode.

The Art of Dallas: ‘Lessons’

Hal (Larry Tanner), a Southfork ranch hand, and Ray (Steve Kanaly) are seen in this 1978 publicity shot from “Lessons,” a first-season “Dallas” episode.

The Art of Dallas: ‘Digger’s Daughter’

Pam (Victoria Principal) considers a romantic overture from Ray (Steve Kanaly) in this 1978 publicity shot from “Digger’s Daughter,”“Dallas’s” first episode.