Songs of Castle season 4
23 episodes, 47 songs
- Episode 1Rise1 song
- Episode 2Heroes & Villains2 songs
- Episode 3Head Case1 song
- Episode 4Kick the Ballistics2 songs
- Episode 5Eye of the Beholder3 songs
- Episode 6Demons1 song
- Episode 7Cops & Robbers1 song
- Episode 8Heartbreak Hotel6 songs
- Episode 9Kill Shot1 song
- Episode 10Cuffed1 song
- Episode 11Till Death Do Us Part5 songs
- Episode 12Dial M for Mayor
- Episode 13An Embarrassment of Bitches5 songs
- Episode 14The Blue Butterfly2 songs
- Episode 15Pandora (1)1 song
- Episode 16Linchpin (2)
- Episode 17Once Upon a Crime2 songs
- Episode 18A Dance with Death2 songs
- Episode 1947 Seconds3 songs
- Episode 20The Limey2 songs
- Episode 21Headhunters1 song
- Episode 22Undead Again
- Episode 23Always5 songs
Theme Song
Castle Whistle Theme
Robert Duncan