In the sequel series, Episode 133 is widely considered one of the most heartbreaking and impactful episodes in anime history.
Sasuke is determined to leave for Orochimaru to gain power, while Naruto is desperate to bring him back to the village. Naruto Episode 133
Naruto begins to tap deeper into the Nine-Tails' chakra , manifesting a visible shroud and "chakra arms" for the first time in the anime. Sasuke, meanwhile, pushes his Sharingan to its third tomoe to track Naruto's inhuman speed. Naruto Shippuden: "The Tale of Jiraiya the Gallant " In the sequel series, Episode 133 is widely