One of Britain’s favourite comedians doing what he does best – being funny. But Alan Davies isn’t on a stage, or behind his QI desk sparring with Stephen Fry, or even wearing his Jonathan Creek duffle coat… instead, Alan is at his most relaxed and most natural – sitting around chatting with some of his best comedian friends.

Jon Richardson investigates OCD. Is he simply a demanding perfectionist or does he have obsessive compulsive disorder?