BBC April highlights include The Diplomat, Whodunnit?, Who Do You Think You Are?, The Green Planet, Spectacular Earth, Exploration Volcano and Andy's Global Adventures. The Diplomat Australian Premiere Fridays at 8.30pm from April 14 Available on Foxtel On Demand and Binge Starring: Sophie Rundle, Danny Sapani & Steven Cree 6 x 60'Sharp and slick new