Some information about Season 1

No.	#	Title	Directed by	Written by	Original air date	Production code	Us  million viewers
1	1	"Pilot"	Danny Cannon	Craig Silverstein	September 9, 2010 (2010-09-09)	276051	3.57[19]
2	2	"2.0"	Danny Cannon	David Levinson & Craig Silverstein	September 16, 2010 (2010-09-16)	3X6252	3.19[20]
3	3	"Kill Jill"	David Solomon	Amanda Segel	September 23, 2010 (2010-09-23)	3X6253	3.15[21]
4	4	"Rough Trade"	Nick Copus	Carlos Coto	September 30, 2010 (2010-09-30)	3X6254	2.68[22]
5	5	"The Guardian"	David Solomon	Albert Kim	October 7, 2010 (2010-10-07)	3X6255	2.90[23]
6	6	"Resistance"	Guy Ferland	Kalinda Vazquez	October 21, 2010 (2010-10-21)	3X6256	2.81[24]
7	7	"The Recruit"	Eagle Egilsson	Amanda Segel	October 28, 2010 (2010-10-28)	3X6257	2.48[25]
8	8	"Phoenix"	David M. Barrett	Jim Barnes	November 4, 2010 (2010-11-04)	3X6258	2.41[26]
9	9	"One Way"	Ken Fink	Albert Kim	November 11, 2010 (2010-11-11)	3X6259	2.33[27]
10	10	"Dark Matter"	Danny Cannon	Carlos Coto	December 2, 2010 (2010-12-02)	3X6260	2.30[28]
11	11	"All the Way"	Terrence O'Hara	Craig Silverstein	December 9, 2010 (2010-12-09)	3X6261	2.29[29]
12	12	"Free"	Jonathan Glassner	Kalinda Vazquez	January 27, 2011 (2011-01-27)	3X6262	2.62[30]
13	13	"Coup de Grace"	Nathan Hope	Albert Kim	February 3, 2011 (2011-02-03)	3X6263	2.40[31]
14	14	"The Next Seduction"	David Solomon	Carlos Coto	February 10, 2011 (2011-02-10)	3X6264	1.89[32]
15	15	"Alexandra"	Ken Fink	Andrew Colville	February 17, 2011 (2011-02-17)	3X6265	2.10[33]
16	16	"Echoes"	Nick Copus	Kristen Reidel	February 24, 2011 (2011-02-24)	3X6266	2.14[34]
17	17	"Covenants"	Eagle Egilsson	Jim Barnes	April 7, 2011 (2011-04-07)	3X6267	1.82[35]
18	18	"Into the Dark"	Jeffrey Hunt	Albert Kim	April 14, 2011 (2011-04-14)	3X6268	2.21[36]
19	19	"Girl's Best Friend"	Robert Lieberman	Carlos Coto	April 21, 2011 (2011-04-21)	3X6269	2.01[37]
20	20	"Glass Houses"	Ralph Hemecker	Kalinda Vazquez	April 28, 2011 (2011-04-28)	3X6270	1.72[38]
21	21	"Betrayals"	Eagle Egilsson	Andrew Colville	May 5, 2011 (2011-05-05)	3X6271	2.00[39]
22	22	"Pandora"	Ken Fink	Craig Silverstein	May 12, 2011 (2011-05-12)	3X6272	1.94[40