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Louis Theroux returned to BBC Two this evening with his Altered States series. The 48-year-old travelled to Oregon in America to look at the complex world of polyamory. During the documentary, Louis came across several “throuples” and people who might have more than two partners. He explored the impact multiple relationships can have on those who aren’t fully into it, as well as discussing the seriously awkward conversations that can come about when someone brings a third person into the relationship.

Louis even ventured to a party where he stripped off to engage fully in the world of polyamory. “Sex Positive Portland” explore how participants can get deep and meaningful relationships with each other through an exploration of pleasure. Louis explained how he had cleared his participation with his wife first before stepping up to immerse himself in the festivities. The presenter took part in a “blind-folded sensual dinner” where participants weren’t allowed to inappropriately touch anyone, but could evoke pleasure through food and gentle stroking. Of course, it turned into kissing and sensual pleasure, but Louis was just there for the food. However, viewers had a mixed response to the whole thing and flocked to Twitter to comment on the awkward scenes.

Louis Theroux Altered States viewers CRINGE as BBC presenter strips off

One wrote: “I am DYING at how uncomfortable Louis is.” Another added: “I don’t think I’ve ever felt so uncomfortable watching something ever in my life.” A third posted: “GIVE THIS MAN A PAYRISE. NOW.” A fourth shared: “I think it’s no coincidence that I have painful trapped wind while watching Louis Theroux’s #AlteredStates.” “I'd be well disappointed at that party. Thinking you're getting a buffet then all of a sudden you're in a blindfold with 3 different people stroking you and sausage roll has taken on a new meaning,” said a fifth.

Louis Theroux Altered States explored polyamory

Louis Theroux Altered States: The polyamory documentary looked at the realities of relationships