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Open House is back with a bang, with a sexy gang of new residents and a new open relationship expert. Mark and Tanith from Yorkshire want to find out if having sex with other people can help build trust, which has been under threat due to Mark's past cheating. Married couple Chloe and Paul from Liverpool are childhood sweethearts who've never had sex with anyone except each other. Now they want to see if an open relationship can allow Chloe to explore whether she might also be attracted to women. But how will Paul react if she is? 

How to Watch Open House: The Great Sex Experiment Season 3 Episode 1 Legally and Safely

If you want to stream Open House: The Great Sex Experiment Season 3 Episode 1 through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry Open House: The Great Sex Experiment Season 3 Episode 1 films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.