On October 13, 2010, ABC announced plans that the fourth season would be split into three sections – Winter, Spring, and Summer; with a total of 32 episodes: 8 Winter episodes, 7 Spring episodes and 17 Summer episodes.
」於2010年10月13日，ABC 宣布第四季將會拆分為三個部份：冬季、春季及夏季，總共32集：8集冬季、7集春季和17集夏季。