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***This episode includes details of alleged sexual offences and misconduct and includes descriptions which some listeners might find distressing*** Married at First Sight UK is one of the UK’s biggest reality TV shows. The dating format sees complete strangers marry in a mock-wedding, before moving in together and sharing a bed. Cameras follow what happens next.

The BBC has uncovered allegations that raise serious concerns that welfare procedures on the reality show have failed contributors, leaving them at risk. Three women have told the BBC they were victims of sexual assault, and misconduct, by their former on-screen husbands.

The men deny all the allegations against them, and both Channel 4 and CPL - the independent production company that makes the series - say the welfare protocols are robust and comprehensive.

Following this investigation, Channel 4 has announced an external review into contributor welfare and has removed all previous seasons of MAFS UK.

Noor Nanji, BBC culture correspondent, tells the story behind her investigation which has shaken the reality TV industry. And she discusses whether a scandal like this could provoke a new reckoning in the genre.

(Photo: Shona Manderson, a ‘bride’ on Married at First Sight UK)