Columns: No. | # | Title | Directed by | Written by | U.S. air date | Production code | U.S. viewers (million)
175 | 1 | "Savior" | Kevin G. Fair | Kelly Souders & Brian Peterson | September25,2009 | 3X5251 | 2.58 | 176 | 2 | "Metallo" | Mairzee Almas | Don Whitehead & Holly Henderson | October2,2009 | 3X5252 | 2.24 | 177 | 3 | "Rabid" | Michael Rohl | Jordan Hawley | October9,2009 | 3X5253 | 2.30 | 178 | 4 | "Echo" | Wayne Rose | Bryan Miller | October16,2009 | 3X5254 | 2.61 | 179 | 5 | "Roulette" | Kevin G. Fair | Genevieve Sparling | October23,2009 | 3X5256 | 2.52 | 180 | 6 | "Crossfire" | Michael Rohl | Don Whitehead & Holly Henderson | October30,2009 | 3X5257 | 2.57 | 181 | 7 | "Kandor" | Jeannot Szwarc | Al Septien & Turi Meyer | November6,2009 | 3X5258 | 2.63 | 182 | 8 | "Idol" | Glen Winter | Anne Cofell Saunders | November13,2009 | 3X5255 | 2.68 | 183 | 9 | "Pandora" | Morgan Beggs | Drew Landis & Julia Swift | November20,2009 | 3X5259 | 2.45 | 184 | 10 | "Disciple" | Mairzee Almas | Jordan Hawley | January29,2010 | 3X5260 | 2.52 | 185 | 11 | " Absolute Justice " | Glen Winter (1st Hour) Tom Welling (2nd Hour) | Geoff Johns | February5,2010 | 3X5262/3X5263 | 2.77 | 186 | 12 | "Warrior" | Allison Mack | Bryan Miller | February12,2010 | 3X5261 | 2.48 | 187 | 13 | "Persuasion" | Christopher Petry | Anne Cofell Saunders | February19,2010 | 3X5264 | 2.42 | 188 | 14 | "Conspiracy" | Turi Meyer | Al Septien & Turi Meyer | February26,2010 | 3X5265 | 2.53 | 189 | 15 | "Escape" | Kevin G. Fair | Genevieve Sparling | April2,2010 | 3X5266 | 2.13 | 190 | 16 | "Checkmate" | Tim Scanlan | John Chisholm | April9,2010 | 3X5267 | 2.13 | 191 | 17 | "Upgrade" | Michael Rohl | Drew Landis & Julia Swift | April16,2010 | 3X5268 | 1.84 | 192 | 18 | "Charade" | Brian Peterson | Don Whitehead & Holly Henderson | April23,2010 | 3X5269 | 2.23 | 193 | 19 | "Sacrifice" | Kevin G. Fair | Justin Hartley , Bryan Miller & Walter Wong | April30,2010 | 3X5270 | 1.89 | 194 | 20 | "Hostage" | Glen Winter | Jordan Hawley & Anne Cofell Saunders | May7,2010 | 3X5271 | 1.92