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>1. Orange League (it was just one battle but it spanned multiple episodes and featured many of the best Pokemon existing at the time)
>2. Sinnoh League (Excellent main rival battle and featuring a trainer with legendary pokemon destory Ash just showed how far HE was from his ultimate goal)
>3. Indigo League (Featured 4 battles shown in full, creative ending)
>4. Jhoto League (Excellent rival battle)
POWER GAP
>5. Hoenn league (Meowth in boots)
>6. Unnova league (Ash got beat by an idiot who only bought 5 pokemon to a 6v6 fight)
>7. Kalos league )Skipped straight to the semis, no surprises)