Columns: No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (millions)
184 | 1 | "Alternate" | David Platt | Neal Baer & Dawn DeNoon | September 25, 2007 | 9003 | 12.10 | 185 | 2 | "Avatar" | Peter Leto | Paul Grellong | October 2, 2007 | 9004 | 11.66 | 186 | 3 | "Impulsive" | David Platt | Jonathan Greene | October 9, 2007 | 9001 | 12.19 | 187 | 4 | "Savant" | Kate Woods | Judith McCreary | October 16, 2007 | 9005 | 12.54 | 188 | 5 | "Harm" | Peter Leto | Josh Singer | October 23, 2007 | 9002 | 12.17 | 189 | 6 | "Svengali" | David Platt | Kam Miller | November 6, 2007 | 9006 | 11.75 | 190 | 7 | "Blinded" | David Platt | Jonathan Greene | November 13, 2007 | 9009 | 12.49 | 191 | 8 | "Fight" | Juan J. Campanella | Mick Betancourt | November 20, 2007 | 9007 | 11.66 | 192 | 9 | "Paternity" | Kate Woods | Amanda Green | November 27, 2007 | 9010 | 12.29 | 193 | 10 | "Snitch" | Jonathan Kaplan | Mark Goffman | December 4, 2007 | 9008 | 11.72 | 194 | 11 | "Streetwise" | Helen Shaver | Paul Grellong | January 1, 2008 | 9011 | 12.35 | 195 | 12 | "Signature" | Arthur W. Forney | Judith McCreary | January 8, 2008 | 9012 | 15.17 | 196 | 13 | "Unorthodox" | David Platt | Josh Singer | January 15, 2008 | 9013 | 12.14 | 197 | 14 | "Inconceivable" | Chris Zalla | Dawn DeNoon | January 22, 2008 | 9014 | 12.97 | 198 | 15 | "Undercover" | David Platt | Mark Goffman | April 15, 2008 | 9015 | 13.27 | 199 | 16 | "Closet" | Peter Leto | Ken Storer | April 22, 2008 | 9016 | 11.50 | 200 | 17 | "Authority" | David Platt | Neal Baer & Amanda Green | April 29, 2008 | 9017 | 12.06 | 201 | 18 | "Trade" | Peter Leto | Jonathan Greene | May 6, 2008 | 9018 | 10.44