The first episode with Meagan Reeves (Diane Farr) and Colby Granger (Dylan Bruno). Also, the episode where the departure of Sabrina Lloyd became official. Her character, Terry Lake, is said to have transferred to Washington D.C.; Lloyd had decided to leave the show around episode eight or nine in real life.
First episode in which Navi Rawat (as Amita Ramanujan) is listed in the opening credits.
Also the first time Charlie's office is seen.