Episode 251 The tale of 2 warriors (this is the episode the fight starts)
episode 60 in naruto
naruto fight against sasuke
The leader of the Akasuki
it starts at episode 163
in episode 160
Naruto Shippuden Episode #26
episode 212 or 213
It starts in episode 19 (shippuden)
Naruto Shippuden episode 29-30
pon
Naruto episode 107 - 108
Episode 29-30