"You know, Monica, if things work out with Richard's son, you'll be able to tell your kids you slept with their grandfather."
— Ross, Friends
"Yeah, but then we wouldn't have had that great reception. You know, where your father whispered in my ear, "If you like my son, I'm twice as fun"."
— Peggy Bundy to Al Bundy, Married... with Children
"It doesn't matter what you did or didn't know, Rowan! He's my dad! You should know better than to mess around with both a father and his son! God, what is wrong with you?!"note
— Lincoln, after finding out his partner slept with both him and his father, It Lives Within