: Directed by Masaaki Yuasa , this episode provides a surreal, visual masterpiece centered on the cycle of life.
Season 6 is renowned for its "guest-directed" episodes, which allowed legendary animators to put their unique stamp on Ooo.
: Critics hailed the season for its "sage-like look at nostalgia and melancholy". However, some viewers found the heavy focus on philosophical musings over traditional humor to be "hitting the mark" less consistently than earlier seasons.