Sharon has just learned that the country pile in Chalfont St Giles they own was formerly a lunatic asylum. If there is a certain sense of pantomime, it’s because the Osbournes have spent their whole lives creating one. And so what we have been left with is a one-off film that feels cobbled together. So the documentary falls back on established Osbourne tropes instead: jokes, swearing, and their many dogs defecating everywhere. ‘Sharon and Ozzy Osbourne: Coming Home’ is streaming on BBC iPlayer