Season 4 Episode 1: Michael accidentally runs over Meridith in the parking 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 relationship is discovered.
From Season 3 Episode 2: To the astonishment of everyone, particularly Jan, Michael closes a lucrative deal. Jim then walking in on a woman half naked in Dwight's hotel room, but who could it be?