The Doc’s blood phobia is getting worse, as is his consequent insomnia, which is also beginning to disturb his wife Louisa in the marital bed. Maybe it’s time he saw that psychologist his Aunty Ruth recommended, particularly when there’s an unfortunate and very public incident involving Doc Martin, dopey police officer Penhale and a staple-gun. Penhale (John Marquez) causes widespread panic in Portwenn after jumping to conclusions about an asbestos scare. (thetvdb.com)