Two married couples share a room on the way to a wedding.
Questionnaire for couples considering more spice.
Two couples become closer than they ever expected.
The couple's jungle sex adventure concludes.
Tango dancers decide to seduce their tango dancing friends.
The couples begin to collectivize their marriages.
Nora and Ryan meet their neighbours' swinging friends.
Alan and Cindy make their move.
More than the springs are hot.
Emma becomes a sumo wrestler's prize.
Entrenched as CIA spies, Mr. & Mrs. Smith want a divorce.