WHY IS MY KOTOR DISC SCRATCHED? Stupid Xbox...

My KOTOR disc is scratched. Yep, this stinks. It freezes constantly while (trying) to load. It's doing this now during the cinematic after I kill Darth Malak. I would play Kingdom Hearts, but I can't seem to beat that black dragon b****. If only Legend of Zelda 2005 was out, or even Halo 2...