The episode ends with Kakashi collapsing from extreme fatigue due to the heavy chakra toll of using the Sharingan. File Metadata Analysis
Before Kakashi can deliver a final blow, a mysterious "hunter-nin" (later revealed as Haku) appears, seemingly killing Zabuza with senbon needles and taking the body away. Naruto EP09 [CWT].mp4
Naruto and Sasuke execute a brilliant strategy involving a Fūma Shuriken and Transformation Jutsu to trick Zabuza, successfully freeing Kakashi from the Water Prison Technique. The episode ends with Kakashi collapsing from extreme
Kakashi reveals the full power of his Sharingan, copying Zabuza's water-based techniques—most notably the Water Dragon Bullet Jutsu —to overwhelm and defeat him. Naruto EP09 [CWT].mp4