The Big Bang Theory Music
The Big Bang Theory season 12 poster

The Big Bang Theory season 12 episode 23 soundtrack

The Change Constant / The Stockholm Syndrome, 1 song

Sheldon and Amy await big news.

  • Warm Kitty Soft Kitty — Patsy Biscoe
    [Cast Performance] Penny sings an acapella cover version as she rubs Leonards stomach in the opening montage

Theme Song

Big Bang Theory Theme
Barenaked Ladies