As the present world falls silent, the episode shifts into a long-awaited flashback arc adapted from the Itachi Shinden novels. This segment, titled "Birth and Death," explores the formative years of Itachi Uchiha. Key highlights of this backstory include:
Critics at Anime News Network noted that while the transition back to a flashback arc during the war’s climax felt abrupt, the quality of Itachi's story quickly justifies the detour. Birth and Death - Naruto Shippuden Episode 451 Reaction Naruto Shippuden Episode 451
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. As the present world falls silent, the episode
We see Itachi’s relationship with his father, Fugaku, and his introduction to the philosophy of the Uchiha clan. Birth and Death - Naruto Shippuden Episode 451
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
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.