n this episode, we future see the powers of Kakashi and the amazing Sharingan eye during the battle with Zabuza. The first appearance of Haku in this episode as a Hunter-Nin (his name was not yet reveal as he was watching the fight from a distance) Sasuke watch in disbelief as Kakashi uses the Sharingan without difficulty. A long battle between Kakashi and Zabuza when finally Kakashi uses the Sharingan to copy the ultimate move of Zabuza (seeing into the future, although at this point there was no concrete evidence that the Sharingan has the ability to see the near future) The episode end as Kakashi unleashes Zabuza's ultimate water technique and washes him away.