Naruto Episode 133: Tearful Yell! You Are My Friend.
Episode 133 of 220 of Naruto, aired May 4, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Naruto proves to be too much for Sasuke to handle as Naruto fights back with renewed vigour. Finally acknowledging Naruto's strength, Sasuke puts on his forehead protector, symbolizing both as equals. But when Sasuke's Sharingan is upgraded to level 3, the tables turn on Naruto. Just when all hope seems lost for Naruto, he undergoes a startling transformation, but will it be enough?