Open House: The Great Sex Experiment airs Friday, June 27, at 10:00 PM on Channel 4, with couples continuing to test the boundaries of their relationships. This episode sees some participants pushing into new areas of non-monogamy while others grapple with their limits.
Ashley and Tanya from Leeds, who have experience with swinging, decide to try having sex with other people when they are not together for the first time. This marks a significant step for them, as they explore deeper levels of openness. Meanwhile, Jamie and Sharmayne are still figuring out their comfort zone with non-monogamy after a tricky social event. Coach Effy tries to help them relax by arranging a pool party.
The series aims to see if open relationships can make existing bonds stronger. This episode also checks in with resident couple Jen and Marc on a cocktail date, and Jamie and Sharmayne face a big decision about their future together.