On November 5, 2007, Showtime ordered 13 new episodes for a fourth season of Weeds. It started on Monday, June 16, 2008 and concluded on Monday, September 15, 2008. The season opener "Mother Thinks the Birds Are After Her" was the last episode with "Little Boxes" as the theme song until season eight. The opening credits of subsequent episodes, after a recap of previous episodes, begin with a video title card unique to each episode. Each title card also has a prop or part of the setting that refers to a plot element in the episode.