Invader

https://www.youtube.com/watch?v=92H3Mscg7QQ

Setting Off (Pokemon anime) (Route 1)

https://www.youtube.com/watch?v=C-naZCJD8i8

Vs Rival Theme (Pokemon X & Y)

https://www.youtube.com/watch?v=5zIMgjDOuew

Reflection Cave Theme (Pokemon X & Y)

https://www.youtube.com/watch?v=2uV4aYM2CkM

Successor Theme (Pokemon X & Y)

https://www.youtube.com/watch?v=CzzS2S1xbuQ

Fighting Spirit (Pokemon anime)

https://www.youtube.com/watch?v=Ud6I-5oMO1E

Team Rocket's Secret Strategy (Pokemon anime)

https://www.youtube.com/watch?v=XMtf-Ubn53A

Kalos Legendary Battle Theme (Pokemon X & Y)

https://www.youtube.com/watch?v=g_Ef3XdfYRM

Kanto Elite Four/Gym Battle Theme (Pokemon anime)

https://www.youtube.com/watch?v=J34-Q69zwA4

Pokemon I Choose You (Pokemon anime)

https://www.youtube.com/watch?v=aAAklSDj65Y

Victory Road (Pokemon X & Y)

https://www.youtube.com/watch?v=cpeKRH2fShw

Pokemon Center Theme (Pokemon X & Y)

https://www.youtube.com/watch?v=Smf5JY6pWYw

Victory Road (Super Smash Brothers Brawl)

https://www.youtube.com/watch?v=krfBS_T9_wU

Battle! Lysandre (Pokemon X & Y)

https://www.youtube.com/watch?v=_Vc1_Sjexf4

Pokemon Legend

http://www.newgrounds.com/audio/listen/457769

Total War (Pokemon anime)

https://www.youtube.com/watch?v=qSEph3TPvCs

Death Battle Archive

Which one is your favorite?