F or years on BBC Three, Stacey Dooley equalled strife. Child labour, sexual exploitation, poverty, religious extremism, homelessness: all were ably tackled by a presenter who stood out for her lack of lofty TV-star pretension and her knack for asking the direct questions that were in audience’s minds.

Since winning Strictly Come Dancing in 2018, she has gone a bit more mainstream, so although the old Dooley is still around – she’s in the middle of a three-documentary run on BBC One, dealing with murder, suicide and addiction – she’s also doing fluffier personality work. Here she is on Channel 4, fronting the inoffensive schedule-filler Stacey Dooley’s Australia: Off the Beaten Track. You can’t say she hasn’t earned a break.

However, trauma does inform her opening sojourn, on which she takes the 45-minute ferry ride south-west from Cape Jervis in mainland South Australia to Karta Pintingga, AKA Kangaroo Island . Australia’s third-largest island is a bit bigger than Cornwall, but home to just 5,000 people.…