Kakashi's hand seals when performing the technique are different from the usual ones Uchichas use.
He is able to performed highly complex jutsu much faster and with much fewer hand seals.
They find out that his is no simple lake but in fact is the home to the giant three tailed turtle.
The squads now with injuries return home with out Sasuke.
He was shown to be quite a stern and intense ninja when he was much younger.
After removing the poison from his hand Naruto gave a speech and Kakashi said that it was cool but now he may bleed to death.