Warehouse 13 season 4 has 20 episode guides and currently identifies 27 soundtrack songs.
Warehouse 13 season 4 episodes
Episode 1
Jul 23, 2012
--
Episode 2
Jul 30, 2012
--
Episode 3
Aug 06, 2012
1 song
Episode 4
Aug 13, 2012
--
Episode 5
Aug 20, 2012
2 songs
Episode 6
Aug 27, 2012
3 songs
Episode 7
Sep 10, 2012
2 songs
Episode 8
Sep 17, 2012
1 song
Episode 9
Sep 24, 2012
--
Episode 10
Oct 01, 2012
--
Episode 11
Apr 29, 2013
--
Episode 12
May 06, 2013
--
Episode 13
May 13, 2013
2 songs
Episode 14
May 20, 2013
4 songs
Episode 15
Jun 03, 2013
2 songs
Episode 16
Jun 10, 2013
6 songs
Episode 17
Jun 17, 2013
1 song
Episode 18
Jun 24, 2013
--
Episode 19
Jul 01, 2013
2 songs
Episode 20
Jul 08, 2013
1 song