Episode 451 - Naruto Shippuden

Amidst this global trance, Team 7 remains protected within Sasuke’s Susano'o, the only barrier against the moonlight that triggers the jutsu. A Shift to the Past: Itachi's Light and Darkness

While technically classified as a filler arc because it is not adapted from the original manga chapters, many fans consider the Itachi Shinden arc (Episodes 451–458) essential viewing. It provides critical psychological depth to Itachi, explaining the motivations behind his future actions that shaped the entire Naruto universe. Naruto Shippuden Episode 451

Envisions a life free from the "troublesome" responsibilities of marriage. Amidst this global trance, Team 7 remains protected

Naruto Shippuden Episode 451: Itachi’s Story ~ Light and Darkness: Birth and Death After showing mercy to a dying enemy who

We see Itachi’s relationship with his father, Fugaku, and his introduction to the philosophy of the Uchiha clan.

A young Itachi, only four years old, witnesses the aftermath of the Third Great Shinobi War. After showing mercy to a dying enemy who then tries to kill him, Itachi is forced to take his first life, leading him to question the value and meaning of existence.