: The episode illustrates the literal cost of the androids' ambitions. Their reliance on electricity and parts mirrors the human need for food and shelter, grounding the sci-fi setting in relatable financial anxiety.
: The series continues to subtly explore the "android-based discrimination" present in their society. By forcing the androids into service roles to pay for their "hobby" of climbing Babel, the narrative highlights the social stratification between humans and the machines built to serve them. Production and Music Technoroid: Overmind Episode 4
Episode 4 maintains the high-energy musical standard of the series, featuring the opening theme and the ending theme “Invisible -one heart-” , both performed by the cast's in-universe groups. The episode's direction by Imu Gahi emphasizes vibrant colors and expressive character animation, particularly during the amusement park sequences. : The episode illustrates the literal cost of