Ep. 44: Kotaro and Dunk visit a mysterious man who turns out to be Go's rival Tendou.

44

During a hot day, Kotaro and his friend Dunk accept an invitation from a mysterious man to visit his residence. Inside, they discover the man possesses various goods and a personalized organizer. The visitors soon realize the host is Tendou, an old rival of Go. Tendou captures both Kotaro and Dunk, holding them prisoner. He then unleashes a cyborg dog, forcing Kuro and Mi to engage in combat against the mechanical beast. The episode focuses on this confrontation and the revelation of Tendou's identity as the captor.