"Buu Is Fighting" is a soundtrack composed by Bruce Faulconer. It is featured in Best of Dragon Ball Z: Volume 4.
- During Super Buu vs SSJ3 Gotenks
- When Super Buu (Gotenks Absorbed) grabs Gohan's face and shoves him through a lot of rocks
- When Super Buu is attacking Vegito during "Meet Vegito"
- When Super Buu (Gohan absorbed) enters Vegito's body.
- Episode 262/277, "End of Earth": when Kid Buu is screaming, before destroying the Earth.
- Episode 263/278, "True Saiyans Fight Alone": when Kid Buu screams and destroys one of the other planets.