Ep. 25: Kotaro's Father returns after evading police, forcing a reluctant alliance with his son.
Aired on March 18, 2000

25
Go, Mi, and Kotaro face an initial confrontation with the police, which they successfully repel. Following this skirmish, Kotaro's father appears, disclosing that he had been fleeing from law enforcement. Kotaro remains indifferent to his father's reappearance, citing the past trouble caused by his father's abandonment of the family. However, the situation escalates when the police return accompanied by additional backup and robots. This renewed threat compels Kotaro and his father to set aside their differences and cooperate in order to survive the attack. The narrative focuses on the tension between the estranged father and son as they are forced into an uneasy alliance against a common enemy.
Episodes
- Ep. 21 · Fukakyon steals Kuro's suit after he rejects her romantic confession
- Ep. 22 · Suzuki arranges a date with Megumi and uses illusion glasses to manage his fear of heights.
- Ep. 23 · Kuro survives a hijacking and meets reporters hunting a giant snake-creature in the Amazon.
- Ep. 24 · The Team Races to Hokkaido for a Walking Snake Tooth Antidote
- Ep. 25 · Kotaro's Father returns after evading police, forcing a reluctant alliance with his son.
- Ep. 26 · The World Domination Plan Begins?!
- Ep. 27 · Matatabi recruits friends to clear snow, but a mishap opens a rift to a war-torn desert world.
- Ep. 28 · Kotaro learns of the war and Taboo while allies search for missing friends in the desert.
- Ep. 29 · Nana captured by Vice while allies regroup and seek Taboo amid rising tensions