1x01: Ghost, series premiere (4.7 million)
Aired: Feb 13, 2009

1x02: The Target (4.22 million)
Aired: Feb 20, 2009

1x03: Stage Fright (4.13 million)
Aired: Feb 27, 2009

1x04: Gray Hour (3.55 million)
Aired: Mar 6, 2009

1x05: True Believer (4.3 million)
Aired: Mar 13, 2009

1x06: Man on the Street (4.13 million)
Aired: Mar 20, 2009

1x07: Echoes (3.87 million)
Aired: Mar 27, 2009

1x08: Needs (3.49 million)
Aired: Apr 3, 2009

1x09: Spy in the House of Love (3.56 million)
Aired: Apr 10, 2009

1x10: Haunted (2.99 million)
Aired: Apr 24, 2009

1x11: Briar Rose (3.1 million)
Aired: May 1, 2009

1x12: Omega (2.75 million)
Aired: May 8, 2009