This film probably would have scored a bit higher upon its release in 1981, when the TV show it parodies, Dallas, was still on the air... and producers didn't worry about an exposed box of Froot Loops on the breakfast table.  Hot Dallas Nights purports to tell the story of Texas ranch royalty -- this time the result of a successful fertilizer business -- with its elderly patriarch and matriarch, and a younger generation of women who all live for sex.  Those babes include a blonde (Tara Flynn), a redhead (Raven Turner) and a brunette (the fairly well-known Hillary Summers), all of whom wind up fucking the ranch hand when their husbands are turned out of the family for dirty dealing.  Though there's plenty of sexual action, including quite a bit of coitus interruptus, the final three scenes, all involving the ranch hand and one or two of the gals, are the bets, even if somewhat tame by today's standards.