01. The Big Bang Theory Theme (Vocal Version) TV Edit (0:22)
02. The Big Bang Theory Theme (Instrumental Version) TV Edit (0:22
03. The Big Bang Theory Theme (Ending Credits Version) TV Edit (0:22)
04. The Big Bang Theory Theme (Acoustic Instrumental Version) (0:22)
05. The Big Bang Theory Theme (Piano Version) (0:21)
06. Let’s Play With Video Game (2:14)
07. Warm Kitty, Soft Kitty (Sheldon’s Lullaby Sick Song) Instrumental Version (0:41)
08. Warm Kitty, Soft Kitty (Sheldon’s Lullaby Sick Song) Piano Version (0:46)
09. The Big Bang Theory Theme (Sheldon’s Theremin Version) (0:22)
10. Star Trek Theme (Sheldon’s Theremin Version) (0:25)
11. Knock Penny (Original Mix) (7:28)
12. Knock Penny (Radio Version) (3:26)
13. Knock Penny (Base) (6:27)
14. Knock Knock Knock, Penny? (0:04)
15. Big Bang Laughs (0:06)