Watch Open House: The Great Sex Experiment Stream free on Channel 4

Committed couples come to a luxury retreat to explore whether having open relationships and sex with other people can strengthen their bond Skip to main contentOpen House: The Great Sex ExperimentCommitted couples come to a luxury retreat to explore whether having open relationships and sex with other people can strengthen their bondSeries 3 Episode 1

New couples move into the Open House. Chloe and Paul, who’ve only ever had sex with each other, open their relationship up to see if Chloe’s attracted to women.

Sign in to playSeries 3 Episode 1My ListGo ad freeLifestyleSeries 3- Series 3

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  • Series 1

Open House is back with a bang, with a sexy gang of new residents and a new open relationship expert

Series 3 Episode 1

Chloe and Paul, who’ve only ever had sex with each other, open their relationship up

First shown: Fri 9 May 2025 | 50 mins

Series 3 Episode 2

Jonny and Sarah have been trying to open up but keep bottling it… is now the right time?

First shown: Fri 16 May 2025 | 47 mins

Series 3 Episode 3

Jonny and Sarah have fallen for French lingerie model Marie…

First shown: Fri 23 May 2025 | 47 mins

Series 3 Episode 4

Could an orgy be the best way for Jonny and Sarah to finally open up their relationship?

First shown: Fri 30 May 2025 | 46 mins

Series 3 Episode 5

Will Tom’s stage fright stop him rising to the occasion? And Alex’s confidence is rattled.

First shown: Fri 6 Jun 2025 | 44 mins

Series 3 Episode 6

Chris and Simon want to explore whether Simon is bisexual, before they tie the knot

First shown: Fri 13 Jun 2025 | 47 mins

Series 3 Episode 7

Will a social ease Sharmayne and Jamie in? Plus: hot tubs for Simon, hesitation for Chris.

First shown: Fri 20 Jun 2025 | 47 mins

Series 3 Episode 8

Can swingers Ashley and Tanya take the next step and have sex with others, on their own?

First shown: Fri 27 Jun 2025 | 47 mins Affected by issues in the show? Visit 4Viewers

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Chloe and Paul, who’ve only ever had sex with each other, open their relationship up

First shown: Fri 9 May 2025 | 50 minsJonny and Sarah have been trying to open up but keep bottling it… is now the right time?

First shown: Fri 16 May 2025 | 47 minsJonny and Sarah have fallen for French lingerie model Marie…

First shown: Fri 23 May 2025 | 47 minsCould an orgy be the best way for Jonny and Sarah to finally open up their relationship?

First shown: Fri 30 May 2025 | 46 minsWill Tom’s stage fright stop him rising to the occasion? And Alex’s confidence is rattled.

First shown: Fri 6 Jun 2025 | 44 minsChris and Simon want to explore whether Simon is bisexual, before they tie the knot

First shown: Fri 13 Jun 2025 | 47 minsWill a social ease Sharmayne and Jamie in? Plus: hot tubs for Simon, hesitation for Chris.

First shown: Fri 20 Jun 2025 | 47 minsCan swingers Ashley and Tanya take the next step and have sex with others, on their own?

First shown: Fri 27 Jun 2025 | 47 minsView all (8)

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