Psych season 4 has 16 episode guides and currently identifies 33 soundtrack songs.
Psych season 4 episodes
Episode 1
Aug 07, 2009
2 songs
Episode 2
Aug 14, 2009
1 song
Episode 3
Aug 21, 2009
2 songs
Episode 4
Aug 28, 2009
1 song
Episode 5
Sep 11, 2009
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Episode 6
Sep 18, 2009
1 song
Episode 7
Sep 25, 2009
9 songs
Episode 8
Oct 09, 2009
5 songs
Episode 9
Oct 16, 2009
1 song
Episode 10
Jan 27, 2010
1 song
Episode 11
Feb 03, 2010
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Episode 12
Feb 10, 2010
2 songs
Episode 13
Feb 17, 2010
1 song
Episode 14
Feb 24, 2010
1 song
Episode 15
Mar 03, 2010
4 songs
Episode 16
Mar 10, 2010
2 songs