
Open House: The Great Sex Experiment — Season 3
About this season
Committed couples come to a luxury retreat to explore whether having open relationships and sex with other people can strengthen their bond.
Episodes (8)

1. Episode 1
Aired 9 May 2025 • 46 min
New couples move into the Open House. Chloe and Mark, who've only ever had sex with each other, open their relationship up to see if Chloe's attracted to women.

2. Episode 2
Aired 16 May 2025 • 46 min
Jonny and Sarah have been trying to open up for two years but keep bottling it... can they finally overcome their nerves? And will Mark and Chloe's partners - Tanith and Paul - partake with others?

3. Episode 3
Aired 23 May 2025 • 46 min
Claude and Amy want to form sexual and emotional relationships with multiple partners, but can Claude overcome his guilt issues? Jonny and Sarah have fallen for French lingerie model Marie

4. Episode 4
Aired 30 May 2025
Alex and Alana want to open up, but can they overcome intense jealousy? And could an orgy be the best way for Jonny and Sarah to finally open up their relationship?

5. Episode 5
Aired 6 June 2025 • 44 min
Tom and Lauren want to open up their relationship, but will Tom's stage fright stop him rising to the occasion? Alex's confidence is rattled after watching Alana have wild sex with resident Georgie.

6. Episode 6
Aired 13 June 2025
The retreat's first gay couple, Chris and Simon, want to explore whether or not Simon is bisexual before they tie the knot. And will an orgy help Tom overcome his concerns?

7. Episode 7
10.0Aired 20 June 2025
Sharmayne and Jamie have little sexual experience with others. Can a high-energy social ease them into opening up? Plus: hot tubs and hesitation for Simon and Chris.

8. Episode 8
Aired 27 June 2025
Jamie and Sharmayne still aren't sure how far they can go. And can seasoned swingers Ashley and Tanya take the next step and have sex with others, on their own?