Knots Landing (1979)

Laura Avery Sumner: You are such a slut.
Abby Fairgate Cunningham Ewing Sumner: Well, it takes one to know one, doesn't it, dear?

Where There's a Will, There's a Way - S12-E23

Trivia: Mimi Kennedy plays Lar Pink-Lincoln's mother in this episode. In real life, Kennedy is only twelve years older than Pink-Lincoln.