Columns: № | # | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (million)
21 | 1 | " A New Day in the Old Town " | Akiva Goldsman | J. J. Abrams & Akiva Goldsman | September17,2009 | 3X5101 | 7.82 | 22 | 2 | " Night of Desirable Objects " | Brad Anderson | Jeff Pinkner & J. H. Wyman | September24,2009 | 3X5102 | 5.73 | 23 | 3 | " Fracture " | Bryan Spicer | David Wilcox | October1,2009 | 3X5103 | 6.03 | 24 | 4 | " Momentum Deferred " | Joe Chappelle | Zack Stentz & Ashley Edward Miller | October8,2009 | 3X5104 | 5.83 | 25 | 5 | " Dream Logic " | Paul Edwards | Josh Singer | October15,2009 | 3X5105 | 5.78 | 26 | 6 | " Earthling " | Jon Cassar | J. H. Wyman & Jeff Vlaming | November5,2009 | 3X5106 | 4.86 | 27 | 7 | " Of Human Action " | Joe Chappelle | Robert Chiappetta & Glen Whitman | November12,2009 | 3X5107 | 5.91 | 28 | 8 | " August " | Dennis Smith | J. H. Wyman & Jeff Pinkner | November19,2009 | 3X5108 | 5.90 | 29 | 9 | " Snakehead " | Paul Holahan | David Wilcox | December3,2009 | 3X5109 | 6.94 | 30 | 10 | " Grey Matters " | Jeannot Szwarc | Ashley Edward Miller & Zack Stentz | December10,2009 | 3X5110 | 6.32 | 31 | 11 | " Unearthed " | Frederick E. O. Toye | David H. Goodman & Andrew Kreisberg | January11,2010 | 3T7670 | 7.72 | 32 | 12 | " Johari Window " | Joe Chappelle | Josh Singer | January14,2010 | 3X5111 | 6.60 | 33 | 13 | " What Lies Below " | Deran Sarafian | Jeff Vlaming | January21,2010 | 3X5112 | 6.90 | 34 | 14 | " The Bishop Revival " | Adam Davidson | Glen Whitman & Robert Chiappetta | January28,2010 | 3X5113 | 8.90 | 35 | 15 | " Jacksonville " | Charles Beeson | Ashley Edward Miller & Zack Stentz | February4,2010 | 3X5114 | 7.40 | 37 | 17 | " Olivia. In the Lab. With the Revolver. " | Brad Anderson | Matthew Pitts | April8,2010 | 3X5116 | 6.33 | 38 | 18 | " White Tulip " | Thomas Yatsko | J. H. Wyman & Jeff Vlaming | April15,2010 | 3X5117 | 6.62 | 39 | 19 | " The Man from the Other Side " | Jeffrey Hunt | Josh Singer & Ethan Gross | April22,2010 | 3X5118 | 5.84 | 40 | 20 | " Brown Betty " | Seith Mann | Jeff Pinkner & J. H. Wyman & Akiva Goldsman | April29,2010 | 3X5119 | 5.55 | 42 | 22 | " Over There (Part 1) " | Akiva Goldsman | J. H. Wyman & Jeff Pinkner & Akiva Goldsman | May13,2010 | 3X5121 | 6.00