Battle SIM (Beta Mix) - Pokémon XD: Gale of Darkness

"Battle SIM (Beta Mix) - Pokémon XD: Gale of Darkness" is a high quality rip of the Beta mix of "Battle SIM" from Pokémon XD: Gale of Darkness.

Jokes
The opening loops endlessly. At 1:04, the "Nerf This!" fart can be heard very faintly in the background.