The Baten Kaitos games and the Lost Kingdoms games are some of the absolute best games on the Gamecube. In fact, the only other games that are as good are Paper Mario: The Thousand Year Door, Skies of Arcadia: Legends, Zelda: The Wind Waker and the Metroid Prime games.
"Dyin' is easy. It's the livin' that's hard..." Grim Reaper, Maximo vs. The Army of Zin