Helen George has promised Call The Midwife fans "a quick weep" in the show's emotional Christmas Day special this year. Cosy drama Call The Midwife traditionally airs a festive special on Christmas Day on BBC One, and Helen confirmed it would be back in its usual schedule slot when she stopped in to Friday's Lorraine show.The actress, who plays Trixie Franklin in the period drama about midwives and nuns in London's East End, told show host Ranvir Singh that fans could expect the episode to pull on the heart strings again this Christmas.