Season 4, Episode 1: Fun Run 　　Original Air Date—[展开]

　Season 4, E isode 1: Fun Run 　　Original Air Date—27 Se tember 2007 　　Michael accidentally runs over Meridith in the arking lot, and his guilt causes him to organize a 5-K run for her. Dwight and Angela have a falling-out after he kills her cat, and the Jim and Pam's relationshi is discovered. 　　Season 4, E isode 2: Dunder Mifflin Infinity 　　Original Air Date—4 October 2007 　　Michael fe.. [收起]