Chicago P.D. season 4 has 23 episode guides and currently identifies 17 soundtrack songs.
Chicago P.D. season 4 episodes
Episode 1
Sep 21, 2016
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Episode 2
Sep 28, 2016
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Episode 3
Oct 05, 2016
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Episode 4
Oct 12, 2016
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Episode 5
Oct 26, 2016
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Episode 6
Nov 09, 2016
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Episode 7
Nov 16, 2016
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Episode 8
Nov 16, 2016
1 song
Episode 9
Jan 03, 2017
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Episode 10
Jan 04, 2017
2 songs
Episode 11
Jan 11, 2017
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Episode 12
Jan 18, 2017
1 song
Episode 13
Feb 08, 2017
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Episode 14
Feb 15, 2017
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Episode 15
Feb 22, 2017
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Episode 16
Mar 01, 2017
1 song
Episode 17
Mar 22, 2017
1 song
Episode 18
Mar 29, 2017
3 songs
Episode 19
Apr 05, 2017
1 song
Episode 20
Apr 26, 2017
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Episode 21
May 03, 2017
6 songs
Episode 22
May 10, 2017
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Episode 23
May 17, 2017
1 song