Columns: No. | # | Title | Directed by | Written by | U.S. viewers (million) | Rank (week) | Original air date
49 | 3 | " Informed Consent " | Laura Innes | David Foster | 13.67 | 21 | September19,2006 | 50 | 4 | " Lines in the Sand " | Newton Thomas Sigel | David Hoselton | 14.52 | 16 | September26,2006 | 51 | 5 | " Fools for Love " | David Platt | Peter Blake | 14.18 | 18 | October31,2006 | 52 | 6 | " Que Será Será " | Deran Sarafian | Thomas L. Moran | 16.11 | 13 | November7,2006 | 53 | 7 | " Son of Coma Guy " | Dan Attias | Doris Egan | 14.60 | 19 | November14,2006 | 54 | 8 | " Whac-A-Mole " | Daniel Sackheim | Pamela Davis | 15.20 | 11 | November21,2006 | 55 | 9 | " Finding Judas " | Deran Sarafian | Sara Hess | 17.30 | 5 | November28,2006 | 56 | 10 | " Merry Little Christmas " | Tony To | Liz Friedman | 11.77 | 18 | December12,2006 | 57 | 11 | " Words and Deeds " | Daniel Sackheim | Leonard Dick | 17.78 | 5 | January9,2007 | 58 | 12 | " One Day, One Room " | Juan J. Campanella | David Shore | 27.34 | 7 | January30,2007 | 59 | 13 | " Needle in a Haystack " | Peter O'Fallon | David Foster | 24.88 | 4 | February6,2007 | 60 | 14 | " Insensitive " | Deran Sarafian | Matthew V. Lewis | 25.99 | 3 | February13,2007 | 61 | 15 | " Half-Wit " | Katie Jacobs | Lawrence Kaplow | 24.40 | 4 | March6,2007 | 62 | 16 | " Top Secret " | Deran Sarafian | Thomas L. Moran | 20.80 | 4 | March27,2007 | 63 | 17 | " Fetal Position " | Matt Shakman | Russel Friend & Garrett Lerner | 20.35 | 4 | April3,2007 | 64 | 18 | " Airborne " | Elodie Keene | David Hoselton | 21.57 | 4 | April10,2007 | 65 | 19 | " Act Your Age " | Daniel Sackheim | Sara Hess | 22.41 | 3 | April17,2007 | 66 | 20 | " House Training " | Paul McCrane | Doris Egan | 20.81 | 3 | April24,2007 | 67 | 21 | " Family " | David Straiton | Liz Friedman | 21.13 | 4 | May1,2007 | 68 | 22 | " Resignation " | Martha Mitchell | Pamela Davis | 21.36 | 3 | May8,2007 | 69 | 23 | " The Jerk " | Daniel Sackheim | Leonard Dick | 21.19 | 4 | May15,2007