At its peak, Ruby Franke’s parenting YouTube channel was earning £100,000 a month. But, as this documentary series shows, her ostensibly model family was a house of cards. As her ex-husband puts it: “The devil knocked and we opened the door.” Their downfall culminated in Franke’s arrest for child abuse in 2023 after her emaciated son escaped and summoned help. Thanks to the plentiful footage recorded by Franke herself, it’s easy to sense the roots of this horror.

Also on tonight: ITV1’s shrewd expansion of the Chase universe into a travel contest with a general knowledge quiz attached continues, this time in Barcelona. The last-placed team face a terrifying head-to-head showdown with the Chasers. Over on BBC Three, the Canadian version of The Traitors sees actor Karine Vanasse taking the Claudia Winkleman role. Expect poker faces, big buildings, gratuitous shower scenes and lots of Lana Del Rey-esque cover versions. Actor Adeel Akhtar’s maternal family origin story - from India to Kenya to the UK - unfolds like a sweeping doorstopper novel on BBC Two. Sky Atlantic offers moreish summer fun as Gigi (Gemma Chan) may have had an affair with the recently dead husband of Hollis (Jennifer Garner). And Sky Witness airs a belated UK debut of FBI spin-off with an odd-couple cop duo hunting a stolen top-secret weapon.