Back home, the couples are reunited with their real spouses, where new revelations are brought to the forefront. Some use the lessons they've learned to try and save their marriages, but others begin to fall back into old habits.
The switch therapy begins to wind down, and the experimental couples learn how to rely on a spouse in order to navigate the unexpected; the couples get a new perspective on their time in the switch when Charles brings all the wives together; and Dr. Jessica meets the husbands for intense group summits.
Emotions run high as the couples cope with seeing footage of their real spouses with their experimental partners. Then, the experts surprise the couples with overnight road trips, where they are tasked to become more vulnerable with one another, but not everyone is ready to open up.
The experimental couples are assigned activities to help them explore each other's passions and personalities. Some couples are forced out of their comfort zones, while others become too comfortable. Tensions rise when the experts drop by with a surprising announcement.
The experimental couples are getting to know each other in a brand new living situation. By the end of the day, boundaries are tested as the couples re-discover what it's like to build a connection and attempt to navigate their initial attractions.
Season 3 opener: Four couples embark on an emotional experience in an effort to save their real marriages. They say goodbye to the lives they know and switch spouses with a complete stranger, taking part in an experimental marriage for two weeks.