Can the rulebook on relationships be rewritten? Louis Theroux takes a look.

Stream Louis Theroux - Altered States - Love without Limits on BBC Select

Love and marriage. Do they still go together like a horse and carriage – or is the model no longer fit for purpose?

This show is not currently available on BBC Select but browse through the below titles for more Lifestyle documentaries available to stream on BBC Select.

Louis Theroux: Altered States - Love Without Limits on BBC Select

British filmmaker Louis Theroux visits ‘US capital of polyamory’ – Portland, Oregon – to meet the couples opening up their relationships in eye-opening ways. For many, more partners means more love and happiness – but for some, he finds, it means jealousy, upset and broken hearts.

BBC Select free trial

BBC Select is available on Amazon Prime Video Channels, the Apple TV app and The Roku Channel for only $5.99 a month. Start a 7-day free trial and watch a range of acclaimed documentaries from the BBC and beyond. Restrictions apply*.

Get it on Apple TV
Prime Video - Channels
The Roku Channel