The Big Bang Theory Music
The Big Bang Theory season 5 poster

The Big Bang Theory season 5 episode 15 soundtrack

The Friendship Contraction, 1 song

Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.

  • Rocket Man (I Think It's Going to Be a Long Long Time) — Elton John
    Howard sets this song as his ringtone to engineer his astronaut nickname.

Theme Song

Big Bang Theory Theme
Barenaked Ladies