Naruto Episode 36
The team realizes they are in another genjutsu. In order to draw out the assailants, Naruto disguises several of his shadow clones as his teammates and fights the enemy clones all night. When the Rain Genin believe that Team 7 exhausted from combat, Kabuto, Sakura, and Sasuke corner them. After a brief struggle, Naruto knocks out the enemies and takes their scroll, at which point they head to the tower and meet with Kabuto’s team. Unknown to Team 7, Kabuto submits all of the data he gathered on them to Orochimaru.
Source: Wikipedia
Naruto Episode 36 – Clone vs. Clone: Mine Are Better Than Yours
