Doc Martin (2004)

S02E06 The Family Way

Martin's long-absent parents, the charismatic Christopher and Margaret, unexpectedly show up for a visit. Meanwhile, school secretary Maureen Tracey seeks medical advice, suspecting thyroid issues. In a surprising turn, PC Mark Mylow reveals his engagement plans. Tensions rise when Danny Steel suddenly collapses, prompting Dr. Ellingham to perform urgent surgery to save him.