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
The episode poignantly juxtaposes Itachi’s exposure to death with the birth of his younger brother, Sasuke, which gives him a new sense of purpose and "life". Critical Reception and "Filler" Status Naruto Shippuden Episode 451
We see Itachi’s relationship with his father, Fugaku, and his introduction to the philosophy of the Uchiha clan. Critics at Anime News Network noted that while
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: As the present world falls silent, the episode
The episode opens with the devastating realization of the Infinite Tsukuyomi . As Madara Uchiha’s ultimate genjutsu takes hold, the world is plunged into an eternal dream. We witness various shinobi trapped in their own idealized realities: Dreams of a peaceful life with Naruto.
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.