30 Rock season 4 has 22 episode guides and currently identifies 15 soundtrack songs.
30 Rock season 4 episodes
Episode 1
Oct 14, 2009
3 songs
Episode 2
Oct 21, 2009
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Episode 3
Oct 28, 2009
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Episode 4
Nov 04, 2009
1 song
Episode 5
Nov 11, 2009
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Episode 6
Nov 18, 2009
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Episode 7
Dec 02, 2009
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Episode 8
Dec 09, 2009
1 song
Episode 9
Jan 13, 2010
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Episode 10
Jan 13, 2010
1 song
Episode 11
Jan 20, 2010
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Episode 12
Feb 03, 2010
2 songs
Episode 13
Feb 10, 2010
1 song
Episode 14
Mar 10, 2010
1 song
Episode 15
Mar 17, 2010
1 song
Episode 16
Mar 24, 2010
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Episode 17
Apr 21, 2010
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Episode 18
Apr 21, 2010
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Episode 19
Apr 28, 2010
1 song
Episode 20
May 05, 2010
2 songs
Episode 21
May 12, 2010
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Episode 22
May 19, 2010
1 song