TV tonight: what goes on behind the scenes at OnlyFans?

Amber Haque investigates the agencies who manage the careers of adult content creators. Plus: the Dolly the sheep scientists tell their stories. Here’s what to watch this evening 9pm, BBC ThreeA beacon of sexual liberation and entrepreneurship or a giant exploitation machine? As more and more money is made through adult content on OnlyFans, agencies that offer to manage creators’ careers have begun to cash in. Some do their jobs and help businesses to expand. But con artists and abusers are also on the loose. Amber Haque investigates a worryingly under-regulated sector. Jack Seale 7pm, U&YesterdayThe last leg of Robbie Cumming’s first narrowboat journey from Wales into Yorkshire. It’s not plain sailing just yet, though: Rochdale canal is known as the “Everest of canals” and his barge (the Naughty Lass) gets into trouble thanks to a leak in the UK’s deepest canal lock. Hollie Richardson It’s always a thrill to spot one of the many beautiful ring-necked parakeets in London’s parks, but there are claims that the birds are harming native wildlife across the UK. Chris Packham is the man to investigate what’s really happening, which he does by following a parakeet family as they grow. Ha