‘Naruto Shippuden’ Episode 489 And 490 Spoilers: Shikamaru Hiden Arc Begins, Shinobi’s Secret Mission To Take Roots Naruto Shippuden is all set to enter another arc with episode 489 and the focus will be on Shikamaru Nara. His mission after the fourth great Ninja war is in focus and it will be full of twists and turns.