Which date one did episode # 18 airs U.S.?
No. # Title Directed by Written by U.S. air date Production code U.S. viewers (million)
real real text text text text text text
1-26464364-1
196 1 "Lazarus" Kevin G. Fair Don Whitehead & Holly Henderson September24,2010 3X6001 2.98
197 2 "Shield" Glen Winter Jordan Hawley October1,2010 3X6002 2.38
198 3 "Supergirl" Mairzee Almas Anne Cofell Saunders October8,2010 3X6003 2.30
199 4 "Homecoming" Jeannot Szwarc Brian Peterson & Kelly Souders October15,2010 3X6004 3.19
200 5 "Isis" James Marshall Genevieve Sparling October22,2010 3X6005 2.60
201 6 "Harvest" Turi Meyer Al Septien & Turi Meyer October29,2010 3X6007 2.96
202 7 "Ambush" Christopher Petry Don Whitehead & Holly Henderson November5,2010 3X6006 2.63
203 8 "Abandoned" Kevin G. Fair Drew Landis & Julia Swift November12,2010 3X6008 2.90
204 9 "Patriot" Tom Welling John Chisholm November19,2010 3X6009 2.60
205 10 "Luthor" Kelly Souders Bryan Q. Miller December3,2010 3X6010 2.76
206 11 "Icarus" Mairzee Almas Genevieve Sparling December10,2010 3X6011 2.55
207 12 "Collateral" Morgan Beggs Jordan Hawley February4,2011 3X6012 2.37
208 13 "Beacon" Mike Rohl Don Whitehead & Holly Henderson February11,2011 3X6013 2.32
209 14 "Masquerade" Tim Scanlan Bryan Q. Miller February18,2011 3X6014 2.22
210 15 "Fortune" Christopher Petry Anne Coffell Saunders February25,2011 3X6015 2.56
211 16 "Scion" Al Septien Al Septien & Turi Meyer March4,2011 3X6016 2.18
212 17 "Kent" Jeannot Szwarc Brian Peterson & Kelly Souders April15,2011 3X6018 2.37
213 18 "Booster" Tom Welling Geoff Johns April22,2011 3X6017 2.35
214 19 "Dominion" Justin Hartley John Chisholm April29,2011 3X6021 1.99
table_26464364_1
SELECT U.S. air date FROM table WHERE # = 18
18