She appears in episode 46.
There is no such thing as a 'Sergal' in the Naruto anime.
7
There are no character with that name in Naruto
Hinata has a little sister, Hanabi. Naruto is an only child.
Kakashi does not appear as an ANBU in any of the naruto episodes though he does appear as an ANBU in a flashback in the first Naruto movie, Ninja clash in the land of snow.
Naruto Episode 46
She doesn't have a sister. She is an only child like Naruto. Actually, Hinata has a little sister. Her name is Hanabi Hyuga. Hanabi is stronger than Hinata, and of-course possessed the bloodline limit-byakugan.
It hasn't happened in anime, only in manga.
She is way stronger than hanabi now. Hanabi used to be stronger than hinata but later hinata starts reflecting to naruto and has become really strong for doing so.
TO GET HANABI HYUGA IN PASSWORD..... IS LIGHNING-DRAGON-SNAKE-RAT =) YOUR WELCOME.Have fun playing naruto ultamate ninja 3....p.s gara is a cheep *** mother ........-\/-
There are 220 Naruto episodes and 142(and counting) Naruto: Shippuuden episodes.
The first time he appears is episode 135 as a hologram