Ep. 11: The Arrival of the Child Prodigy Kotaro Causes Tension
Aired on December 11, 1999

11
Kuro remains tense after witnessing an imposter disrupt a fleet of battleships. He instructs Go and Mi to investigate, suspecting their involvement. Upon boarding the vessel, they discover that a young boy named Kotaro is the culprit. Kotaro demonstrates exceptional intelligence in technology and science. He then invites the cats to participate in a hazardous real-life role-playing game. This unexpected encounter shifts the dynamic as the group faces the challenges posed by the child's advanced capabilities and dangerous proposal. The situation escalates as Kuro and his companions must navigate the risks introduced by Kotaro's innovative yet perilous activities aboard the ship.
Episodes
- Ep. 7 · Romeo traps owners and Dr Go in a bomb dome, forcing Kuro and Mi to hunt him down with Suzuki's help.
- Ep. 8 · Kuro joins Suzuki's class field trip, causing trouble with Mi after a fight.
- Ep. 9 · Suzuki's Low Spirits Lead Group to Mountain Treasure Hunt
- Ep. 10 · Kuro's group battles one-eyed aliens while Romeo reveals his past as a robot slave
- Ep. 11 · The Arrival of the Child Prodigy Kotaro Causes Tension
- Ep. 12 · Dr Go encounters a relic that possesses him while Mi offers himself as a sacrifice
- Ep. 13 · Kotaro and Dunk flee while Kuro and Mi help them evade armed soldiers
- Ep. 14 · Dr. Go and Kotaro build a cyborg mouse that invades the city with an army of smaller mice.
- Ep. 15 · Matatabi arrives to confront Kuro, leading to a destructive battle between the old friends.