Clarkson's Farm star Harriet Cowan has celebrated a major milestone after leaving the Prime Video series. The nurse and farmer originally appeared on the show during season 4 to fill in for farm manager Kaleb Cooper. After leaving the show, she decided to start her own YouTube channel Harriet on the Farm, chronicling her weekly adventures. I'm trying to change the norm of the man being the farmer and the woman being the stay-at-home wife and cook." Clarkson's Farm is streaming on Prime Video.