第 2112 集: 和真與東內在外差事途中迷路時，遇見一名酷似東內的少年。

2112

Kazuma and Tounai have gone out on an errand. But on their way back, they get lost. There, they find a boy who looks much like Tounai. The boy claims himself to be a young lord of some castle, who is being chased by the Dokutake. (Source: Nintama Rantarou Wiki)