The 100 season 1 has 13 episode guides and currently identifies 23 soundtrack songs.
The 100 season 1 episodes
Episode 1
Mar 19, 2012
8 songs
Episode 2
Mar 25, 2012
1 song
Episode 3
Apr 01, 2012
2 songs
Episode 4
Apr 08, 2012
2 songs
Episode 5
Apr 15, 2012
1 song
Episode 6
Apr 22, 2012
2 songs
Episode 7
Apr 29, 2012
1 song
Episode 8
May 06, 2012
1 song
Episode 9
May 13, 2012
--
Episode 10
May 20, 2012
1 song
Episode 11
May 27, 2012
--
Episode 12
Jun 03, 2012
--
Episode 13
Jun 10, 2012
4 songs