After briefly returning in 5 episodes of "NYPD Blue" (one at the end of season 10 and a four-episode story arc mid-way through Season 11), Delaney starred in the 2004 NBC miniseries "10.5", and its 2006 sequel, '. The following year, she began a recurring role on "The O.C." In 2006, Delaney starred in an episode of ' titled "You Know They Got a Hell of a Band," about Rock and Roll Heaven. Delaney next appeared twice on "" in early 2007, guest-starring on the episodes "" and "".