
...Experiment: Tom and Lauren want to open up, but will Tom's stage fright stop him rising to the occasion? Alex's confidence is rattled after watching Alana with resident Georgie. (S3 Ep5)

...Experiment: Brave 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.

...Experiment: Committed couples explore whether open relationships can strengthen their bonds. Can Jonny and Sarah overcome their nerves? And will Tanith and Paul partake?

...Experiment: Jonny and Sarah fall for lingerie model Marie. Claude and Amy want to form relationships with multiple partners, but can Claude overcome his guilt issues?