The Ood have given a warning to The Doctor. The Master is returning yet that is not the biggest threat. A darkness is coming which brings with it The

　　《私人诊所》和《实习医生格蕾》今年会再次「交叉」。除此之外，观众最感兴趣的是上季结尾留下的悬念：Charlotte和Cooper订婚后会怎样？Addison选择Sam而放弃Pete又会怎样？　　在新季首集中，Pete和Violet正小心翼翼地筹备即将到来的婚礼。Cooper突然介入，令大家情绪失