Twin Peaks (TV Series) (1990)
The cheating scenes in this series are mostly just kissing/sensual kissing, light petting, and implied sex. Nothing heavy and no nudity. At least four wives cheat here, maybe more.
Actors: Sherilyn Fenn
Lovelife (1997)
Danny is a student whose girlfriend is writer Zoey. Professor Alan lives with unfocused Molly. Other pairs also don’t quite match, and the partners begin to change one another…
Two Moon Junction
A young Southern débutante temporarily abandons her posh lifestyle and upcoming, semi-arranged marriage to have a lustful and erotic fling with a rugged drifter who works at a local carnival.